249286125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 456228864

約数和(自身を除く): 206942739

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 223, 271, 275, 375, 669, 813, 825, 1115, 1355, 1375, 2453, 2981, 3345, 4065, 4125, 5575, 6775, 7359, 8943, 12265, 14905, 16725, 20325, 27875, 33875, 36795, 44715, 60433, 61325, 74525, 83625, 101625, 181299, 183975, 223575, 302165, 306625, 372625, 664763, 906495, 919875, 1117875, 1510825, 1994289, 3323815, 4532475, 7554125, 9971445, 16619075, 22662375, 49857225, 83095375, 249286125]

約数ペア:

[(1, 249286125), (3, 83095375), (5, 49857225), (11, 22662375), (15, 16619075), (25, 9971445), (33, 7554125), (55, 4532475), (75, 3323815), (125, 1994289), (165, 1510825), (223, 1117875), (271, 919875), (275, 906495), (375, 664763), (669, 372625), (813, 306625), (825, 302165), (1115, 223575), (1355, 183975), (1375, 181299), (2453, 101625), (2981, 83625), (3345, 74525), (4065, 61325), (4125, 60433), (5575, 44715), (6775, 36795), (7359, 33875), (8943, 27875), (12265, 20325), (14905, 16725)]