81730725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{35153}}^1$

素因数の和:35197

約数の個数: 24

約数和(自身を含む): 139491072

約数和(自身を除く): 57760347

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 35153, 105459, 175765, 527295, 878825, 1089743, 2636475, 3269229, 5448715, 16346145, 27243575, 81730725]

約数ペア:

[(1, 81730725), (3, 27243575), (5, 16346145), (15, 5448715), (25, 3269229), (31, 2636475), (75, 1089743), (93, 878825), (155, 527295), (465, 175765), (775, 105459), (2325, 35153)]