81541725

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{15313}}^1$

素因数の和:15397

約数の個数: 24

約数和(自身を含む): 136723392

約数和(自身を除く): 55181667

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 15313, 45939, 76565, 229695, 382825, 1087223, 1148475, 3261669, 5436115, 16308345, 27180575, 81541725]

約数ペア:

[(1, 81541725), (3, 27180575), (5, 16308345), (15, 5436115), (25, 3261669), (71, 1148475), (75, 1087223), (213, 382825), (355, 229695), (1065, 76565), (1775, 45939), (5325, 15313)]