82721775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 143696160

約数和(自身を除く): 60974385

約数列:

[1, 3, 5, 15, 25, 29, 73, 75, 87, 145, 219, 365, 435, 521, 725, 1095, 1563, 1825, 2117, 2175, 2605, 5475, 6351, 7815, 10585, 13025, 15109, 31755, 38033, 39075, 45327, 52925, 75545, 114099, 158775, 190165, 226635, 377725, 570495, 950825, 1102957, 1133175, 2852475, 3308871, 5514785, 16544355, 27573925, 82721775]

約数ペア:

[(1, 82721775), (3, 27573925), (5, 16544355), (15, 5514785), (25, 3308871), (29, 2852475), (73, 1133175), (75, 1102957), (87, 950825), (145, 570495), (219, 377725), (365, 226635), (435, 190165), (521, 158775), (725, 114099), (1095, 75545), (1563, 52925), (1825, 45327), (2117, 39075), (2175, 38033), (2605, 31755), (5475, 15109), (6351, 13025), (7815, 10585)]