620370387

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 1211750400

約数和(自身を除く): 591380013

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 97, 117, 133, 137, 171, 189, 247, 273, 291, 351, 399, 411, 513, 679, 741, 819, 873, 959, 1197, 1233, 1261, 1729, 1781, 1843, 2037, 2223, 2457, 2603, 2619, 2877, 3591, 3699, 3783, 5187, 5343, 5529, 6111, 6669, 7809, 8631, 8827, 11349, 12467, 12901, 13289, 15561, 16029, 16587, 18221, 18333, 23427, 23959, 25893, 26481, 33839, 34047, 37401, 38703, 39867, 46683, 48087, 49761, 54663, 70281, 71877, 79443, 93023, 101517, 112203, 116109, 119601, 163989, 167713, 172757, 215631, 236873, 238329, 252491, 279069, 304551, 336609, 348327, 358803, 491967, 503139, 518271, 646893, 710619, 757473, 837207, 913653, 1209299, 1509417, 1554813, 1767437, 2131857, 2272419, 2511621, 3282383, 3627897, 4528251, 4664439, 5302311, 6395571, 6817257, 9847149, 10883691, 15906933, 22976681, 29541447, 32651073, 47720799, 68930043, 88624341, 206790129, 620370387]

約数ペア:

[(1, 620370387), (3, 206790129), (7, 88624341), (9, 68930043), (13, 47720799), (19, 32651073), (21, 29541447), (27, 22976681), (39, 15906933), (57, 10883691), (63, 9847149), (91, 6817257), (97, 6395571), (117, 5302311), (133, 4664439), (137, 4528251), (171, 3627897), (189, 3282383), (247, 2511621), (273, 2272419), (291, 2131857), (351, 1767437), (399, 1554813), (411, 1509417), (513, 1209299), (679, 913653), (741, 837207), (819, 757473), (873, 710619), (959, 646893), (1197, 518271), (1233, 503139), (1261, 491967), (1729, 358803), (1781, 348327), (1843, 336609), (2037, 304551), (2223, 279069), (2457, 252491), (2603, 238329), (2619, 236873), (2877, 215631), (3591, 172757), (3699, 167713), (3783, 163989), (5187, 119601), (5343, 116109), (5529, 112203), (6111, 101517), (6669, 93023), (7809, 79443), (8631, 71877), (8827, 70281), (11349, 54663), (12467, 49761), (12901, 48087), (13289, 46683), (15561, 39867), (16029, 38703), (16587, 37401), (18221, 34047), (18333, 33839), (23427, 26481), (23959, 25893)]