81370926

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 128

約数和(自身を含む): 230630400

約数和(自身を除く): 149259474

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 29, 39, 42, 54, 58, 63, 78, 87, 91, 117, 126, 174, 182, 189, 203, 234, 261, 273, 351, 377, 378, 406, 522, 546, 571, 609, 702, 754, 783, 819, 1131, 1142, 1218, 1566, 1638, 1713, 1827, 2262, 2457, 2639, 3393, 3426, 3654, 3997, 4914, 5139, 5278, 5481, 6786, 7423, 7917, 7994, 10179, 10278, 10962, 11991, 14846, 15417, 15834, 16559, 20358, 22269, 23751, 23982, 30834, 33118, 35973, 44538, 47502, 49677, 51961, 66807, 71253, 71946, 99354, 103922, 107919, 115913, 133614, 142506, 149031, 155883, 200421, 215267, 215838, 231826, 298062, 311766, 347739, 400842, 430534, 447093, 467649, 645801, 695478, 894186, 935298, 1043217, 1291602, 1402947, 1506869, 1937403, 2086434, 2805894, 3013738, 3129651, 3874806, 4520607, 5812209, 6259302, 9041214, 11624418, 13561821, 27123642, 40685463, 81370926]

約数ペア:

[(1, 81370926), (2, 40685463), (3, 27123642), (6, 13561821), (7, 11624418), (9, 9041214), (13, 6259302), (14, 5812209), (18, 4520607), (21, 3874806), (26, 3129651), (27, 3013738), (29, 2805894), (39, 2086434), (42, 1937403), (54, 1506869), (58, 1402947), (63, 1291602), (78, 1043217), (87, 935298), (91, 894186), (117, 695478), (126, 645801), (174, 467649), (182, 447093), (189, 430534), (203, 400842), (234, 347739), (261, 311766), (273, 298062), (351, 231826), (377, 215838), (378, 215267), (406, 200421), (522, 155883), (546, 149031), (571, 142506), (609, 133614), (702, 115913), (754, 107919), (783, 103922), (819, 99354), (1131, 71946), (1142, 71253), (1218, 66807), (1566, 51961), (1638, 49677), (1713, 47502), (1827, 44538), (2262, 35973), (2457, 33118), (2639, 30834), (3393, 23982), (3426, 23751), (3654, 22269), (3997, 20358), (4914, 16559), (5139, 15834), (5278, 15417), (5481, 14846), (6786, 11991), (7423, 10962), (7917, 10278), (7994, 10179)]