21893625

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 43680000

約数和(自身を除く): 21786375

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 375, 499, 585, 675, 975, 1125, 1497, 1625, 1755, 2495, 2925, 3375, 4491, 4875, 6487, 7485, 8775, 12475, 13473, 14625, 19461, 22455, 32435, 37425, 43875, 58383, 62375, 67365, 97305, 112275, 162175, 175149, 187125, 291915, 336825, 486525, 561375, 810875, 875745, 1459575, 1684125, 2432625, 4378725, 7297875, 21893625]

約数ペア:

[(1, 21893625), (3, 7297875), (5, 4378725), (9, 2432625), (13, 1684125), (15, 1459575), (25, 875745), (27, 810875), (39, 561375), (45, 486525), (65, 336825), (75, 291915), (117, 187125), (125, 175149), (135, 162175), (195, 112275), (225, 97305), (325, 67365), (351, 62375), (375, 58383), (499, 43875), (585, 37425), (675, 32435), (975, 22455), (1125, 19461), (1497, 14625), (1625, 13473), (1755, 12475), (2495, 8775), (2925, 7485), (3375, 6487), (4491, 4875)]