131319279

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 263424000

約数和(自身を除く): 132104721

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 29, 39, 57, 63, 87, 91, 97, 117, 133, 171, 189, 203, 247, 261, 273, 291, 351, 377, 399, 513, 551, 609, 679, 741, 783, 819, 873, 1131, 1197, 1261, 1653, 1729, 1827, 1843, 2037, 2223, 2457, 2619, 2639, 2813, 3393, 3591, 3783, 3857, 4959, 5187, 5481, 5529, 6111, 6669, 7163, 7917, 8439, 8827, 10179, 11349, 11571, 12901, 14877, 15561, 16587, 18333, 19691, 21489, 23751, 23959, 25317, 26481, 34047, 34713, 36569, 38703, 46683, 49761, 50141, 53447, 59073, 64467, 71253, 71877, 75951, 79443, 104139, 109707, 116109, 150423, 160341, 167713, 177219, 193401, 215631, 238329, 255983, 329121, 348327, 374129, 451269, 481023, 503139, 531657, 646893, 694811, 767949, 987363, 1122387, 1353807, 1443069, 1509417, 2084433, 2303847, 3367161, 4528251, 4863677, 6253299, 6911541, 10101483, 14591031, 18759897, 43773093, 131319279]

約数ペア:

[(1, 131319279), (3, 43773093), (7, 18759897), (9, 14591031), (13, 10101483), (19, 6911541), (21, 6253299), (27, 4863677), (29, 4528251), (39, 3367161), (57, 2303847), (63, 2084433), (87, 1509417), (91, 1443069), (97, 1353807), (117, 1122387), (133, 987363), (171, 767949), (189, 694811), (203, 646893), (247, 531657), (261, 503139), (273, 481023), (291, 451269), (351, 374129), (377, 348327), (399, 329121), (513, 255983), (551, 238329), (609, 215631), (679, 193401), (741, 177219), (783, 167713), (819, 160341), (873, 150423), (1131, 116109), (1197, 109707), (1261, 104139), (1653, 79443), (1729, 75951), (1827, 71877), (1843, 71253), (2037, 64467), (2223, 59073), (2457, 53447), (2619, 50141), (2639, 49761), (2813, 46683), (3393, 38703), (3591, 36569), (3783, 34713), (3857, 34047), (4959, 26481), (5187, 25317), (5481, 23959), (5529, 23751), (6111, 21489), (6669, 19691), (7163, 18333), (7917, 16587), (8439, 15561), (8827, 14877), (10179, 12901), (11349, 11571)]