81672605

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 115568640

約数和(自身を除く): 33896035

約数列:

[1, 5, 7, 35, 47, 131, 235, 329, 379, 655, 917, 1645, 1895, 2653, 4585, 6157, 13265, 17813, 30785, 43099, 49649, 89065, 124691, 215495, 248245, 347543, 623455, 1737715, 2333503, 11667515, 16334521, 81672605]

約数ペア:

[(1, 81672605), (5, 16334521), (7, 11667515), (35, 2333503), (47, 1737715), (131, 623455), (235, 347543), (329, 248245), (379, 215495), (655, 124691), (917, 89065), (1645, 49649), (1895, 43099), (2653, 30785), (4585, 17813), (6157, 13265)]