164681517

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 319979520

約数和(自身を除く): 155298003

約数列:

[1, 3, 7, 11, 13, 21, 29, 31, 33, 39, 61, 77, 87, 91, 93, 143, 183, 203, 217, 231, 273, 319, 341, 377, 403, 427, 429, 609, 651, 671, 793, 899, 957, 1001, 1023, 1131, 1209, 1281, 1769, 1891, 2013, 2233, 2379, 2387, 2639, 2697, 2821, 3003, 4147, 4433, 4697, 5307, 5551, 5673, 6293, 6699, 7161, 7917, 8463, 8723, 9889, 11687, 12383, 12441, 13237, 13299, 14091, 16653, 18879, 19459, 20801, 22997, 24583, 26169, 29029, 29667, 31031, 35061, 37149, 39711, 54839, 58377, 61061, 62403, 68991, 69223, 73749, 81809, 87087, 93093, 128557, 136213, 145607, 160979, 164517, 172081, 183183, 207669, 245427, 252967, 270413, 383873, 385671, 408639, 436821, 482937, 516243, 603229, 712907, 758901, 811239, 899899, 1151619, 1770769, 1809687, 1892891, 2138721, 2699697, 4222603, 4990349, 5312307, 5678673, 7841977, 12667809, 14971047, 23525931, 54893839, 164681517]

約数ペア:

[(1, 164681517), (3, 54893839), (7, 23525931), (11, 14971047), (13, 12667809), (21, 7841977), (29, 5678673), (31, 5312307), (33, 4990349), (39, 4222603), (61, 2699697), (77, 2138721), (87, 1892891), (91, 1809687), (93, 1770769), (143, 1151619), (183, 899899), (203, 811239), (217, 758901), (231, 712907), (273, 603229), (319, 516243), (341, 482937), (377, 436821), (403, 408639), (427, 385671), (429, 383873), (609, 270413), (651, 252967), (671, 245427), (793, 207669), (899, 183183), (957, 172081), (1001, 164517), (1023, 160979), (1131, 145607), (1209, 136213), (1281, 128557), (1769, 93093), (1891, 87087), (2013, 81809), (2233, 73749), (2379, 69223), (2387, 68991), (2639, 62403), (2697, 61061), (2821, 58377), (3003, 54839), (4147, 39711), (4433, 37149), (4697, 35061), (5307, 31031), (5551, 29667), (5673, 29029), (6293, 26169), (6699, 24583), (7161, 22997), (7917, 20801), (8463, 19459), (8723, 18879), (9889, 16653), (11687, 14091), (12383, 13299), (12441, 13237)]