15170625

素因数分解:

$3^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 80

約数和(自身を含む): 29990400

約数和(自身を除く): 14819775

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 31, 45, 75, 87, 93, 125, 135, 145, 155, 225, 261, 279, 375, 435, 465, 625, 675, 725, 775, 783, 837, 899, 1125, 1305, 1395, 1875, 2175, 2325, 2697, 3375, 3625, 3875, 3915, 4185, 4495, 5625, 6525, 6975, 8091, 10875, 11625, 13485, 16875, 18125, 19375, 19575, 20925, 22475, 24273, 32625, 34875, 40455, 54375, 58125, 67425, 97875, 104625, 112375, 121365, 163125, 174375, 202275, 337125, 489375, 523125, 561875, 606825, 1011375, 1685625, 3034125, 5056875, 15170625]

約数ペア:

[(1, 15170625), (3, 5056875), (5, 3034125), (9, 1685625), (15, 1011375), (25, 606825), (27, 561875), (29, 523125), (31, 489375), (45, 337125), (75, 202275), (87, 174375), (93, 163125), (125, 121365), (135, 112375), (145, 104625), (155, 97875), (225, 67425), (261, 58125), (279, 54375), (375, 40455), (435, 34875), (465, 32625), (625, 24273), (675, 22475), (725, 20925), (775, 19575), (783, 19375), (837, 18125), (899, 16875), (1125, 13485), (1305, 11625), (1395, 10875), (1875, 8091), (2175, 6975), (2325, 6525), (2697, 5625), (3375, 4495), (3625, 4185), (3875, 3915)]