27993875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 45287424

約数和(自身を除く): 17293549

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 91, 107, 115, 125, 161, 175, 299, 325, 455, 535, 575, 749, 805, 875, 1391, 1495, 1625, 2093, 2275, 2461, 2675, 2875, 3745, 4025, 6955, 7475, 9737, 10465, 11375, 12305, 13375, 17227, 18725, 20125, 31993, 34775, 37375, 48685, 52325, 61525, 86135, 93625, 159965, 173875, 223951, 243425, 261625, 307625, 430675, 799825, 1119755, 1217125, 2153375, 3999125, 5598775, 27993875]

約数ペア:

[(1, 27993875), (5, 5598775), (7, 3999125), (13, 2153375), (23, 1217125), (25, 1119755), (35, 799825), (65, 430675), (91, 307625), (107, 261625), (115, 243425), (125, 223951), (161, 173875), (175, 159965), (299, 93625), (325, 86135), (455, 61525), (535, 52325), (575, 48685), (749, 37375), (805, 34775), (875, 31993), (1391, 20125), (1495, 18725), (1625, 17227), (2093, 13375), (2275, 12305), (2461, 11375), (2675, 10465), (2875, 9737), (3745, 7475), (4025, 6955)]