259771875

素因数分解:

$3^1\times 5^5\times {\mathrm{11}}^2\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 477938160

約数和(自身を除く): 218166285

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 229, 275, 363, 375, 605, 625, 687, 825, 1145, 1375, 1815, 1875, 2519, 3025, 3125, 3435, 4125, 5725, 6875, 7557, 9075, 9375, 12595, 15125, 17175, 20625, 27709, 28625, 34375, 37785, 45375, 62975, 75625, 83127, 85875, 103125, 138545, 143125, 188925, 226875, 314875, 378125, 415635, 429375, 692725, 715625, 944625, 1134375, 1574375, 2078175, 2146875, 3463625, 4723125, 7871875, 10390875, 17318125, 23615625, 51954375, 86590625, 259771875]

約数ペア:

[(1, 259771875), (3, 86590625), (5, 51954375), (11, 23615625), (15, 17318125), (25, 10390875), (33, 7871875), (55, 4723125), (75, 3463625), (121, 2146875), (125, 2078175), (165, 1574375), (229, 1134375), (275, 944625), (363, 715625), (375, 692725), (605, 429375), (625, 415635), (687, 378125), (825, 314875), (1145, 226875), (1375, 188925), (1815, 143125), (1875, 138545), (2519, 103125), (3025, 85875), (3125, 83127), (3435, 75625), (4125, 62975), (5725, 45375), (6875, 37785), (7557, 34375), (9075, 28625), (9375, 27709), (12595, 20625), (15125, 17175)]