91281825

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 176417280

約数和(自身を除く): 85135455

約数列:

[1, 3, 5, 9, 15, 23, 25, 31, 45, 69, 75, 93, 115, 155, 207, 225, 279, 345, 465, 569, 575, 713, 775, 1035, 1395, 1707, 1725, 2139, 2325, 2845, 3565, 5121, 5175, 6417, 6975, 8535, 10695, 13087, 14225, 17639, 17825, 25605, 32085, 39261, 42675, 52917, 53475, 65435, 88195, 117783, 128025, 158751, 160425, 196305, 264585, 327175, 405697, 440975, 588915, 793755, 981525, 1217091, 1322925, 2028485, 2944575, 3651273, 3968775, 6085455, 10142425, 18256365, 30427275, 91281825]

約数ペア:

[(1, 91281825), (3, 30427275), (5, 18256365), (9, 10142425), (15, 6085455), (23, 3968775), (25, 3651273), (31, 2944575), (45, 2028485), (69, 1322925), (75, 1217091), (93, 981525), (115, 793755), (155, 588915), (207, 440975), (225, 405697), (279, 327175), (345, 264585), (465, 196305), (569, 160425), (575, 158751), (713, 128025), (775, 117783), (1035, 88195), (1395, 65435), (1707, 53475), (1725, 52917), (2139, 42675), (2325, 39261), (2845, 32085), (3565, 25605), (5121, 17825), (5175, 17639), (6417, 14225), (6975, 13087), (8535, 10695)]