89509905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 163088640

約数和(自身を除く): 73578735

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 197, 207, 345, 439, 591, 985, 1035, 1317, 1773, 2195, 2955, 3951, 4531, 6585, 8865, 10097, 13593, 19755, 22655, 30291, 40779, 50485, 67965, 86483, 90873, 151455, 203895, 259449, 432415, 454365, 778347, 1297245, 1989109, 3891735, 5967327, 9945545, 17901981, 29836635, 89509905]

約数ペア:

[(1, 89509905), (3, 29836635), (5, 17901981), (9, 9945545), (15, 5967327), (23, 3891735), (45, 1989109), (69, 1297245), (115, 778347), (197, 454365), (207, 432415), (345, 259449), (439, 203895), (591, 151455), (985, 90873), (1035, 86483), (1317, 67965), (1773, 50485), (2195, 40779), (2955, 30291), (3951, 22655), (4531, 19755), (6585, 13593), (8865, 10097)]