217096875

素因数分解:

$3^3\times 5^5\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 419973120

約数和(自身を除く): 202876245

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 83, 93, 125, 135, 155, 225, 249, 279, 375, 415, 465, 625, 675, 747, 775, 837, 1125, 1245, 1395, 1875, 2075, 2241, 2325, 2573, 3125, 3375, 3735, 3875, 4185, 5625, 6225, 6975, 7719, 9375, 10375, 11205, 11625, 12865, 16875, 18675, 19375, 20925, 23157, 28125, 31125, 34875, 38595, 51875, 56025, 58125, 64325, 69471, 84375, 93375, 96875, 104625, 115785, 155625, 174375, 192975, 259375, 280125, 290625, 321625, 347355, 466875, 523125, 578925, 778125, 871875, 964875, 1400625, 1608125, 1736775, 2334375, 2615625, 2894625, 4824375, 7003125, 8040625, 8683875, 14473125, 24121875, 43419375, 72365625, 217096875]

約数ペア:

[(1, 217096875), (3, 72365625), (5, 43419375), (9, 24121875), (15, 14473125), (25, 8683875), (27, 8040625), (31, 7003125), (45, 4824375), (75, 2894625), (83, 2615625), (93, 2334375), (125, 1736775), (135, 1608125), (155, 1400625), (225, 964875), (249, 871875), (279, 778125), (375, 578925), (415, 523125), (465, 466875), (625, 347355), (675, 321625), (747, 290625), (775, 280125), (837, 259375), (1125, 192975), (1245, 174375), (1395, 155625), (1875, 115785), (2075, 104625), (2241, 96875), (2325, 93375), (2573, 84375), (3125, 69471), (3375, 64325), (3735, 58125), (3875, 56025), (4185, 51875), (5625, 38595), (6225, 34875), (6975, 31125), (7719, 28125), (9375, 23157), (10375, 20925), (11205, 19375), (11625, 18675), (12865, 16875)]