68864985

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{2699}}^1$

素因数の和:2729

約数の個数: 56

約数和(自身を含む): 141652800

約数和(自身を除く): 72787815

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 1215, 1701, 2699, 2835, 3645, 5103, 8097, 8505, 13495, 18893, 24291, 25515, 40485, 56679, 72873, 94465, 121455, 170037, 218619, 283395, 364365, 510111, 655857, 850185, 1093095, 1530333, 1967571, 2550555, 3279285, 4590999, 7651665, 9837855, 13772997, 22954995, 68864985]

約数ペア:

[(1, 68864985), (3, 22954995), (5, 13772997), (7, 9837855), (9, 7651665), (15, 4590999), (21, 3279285), (27, 2550555), (35, 1967571), (45, 1530333), (63, 1093095), (81, 850185), (105, 655857), (135, 510111), (189, 364365), (243, 283395), (315, 218619), (405, 170037), (567, 121455), (729, 94465), (945, 72873), (1215, 56679), (1701, 40485), (2699, 25515), (2835, 24291), (3645, 18893), (5103, 13495), (8097, 8505)]