30725401

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 37756800

約数和(自身を除く): 7031399

約数列:

[1, 7, 23, 49, 137, 161, 199, 959, 1127, 1393, 3151, 4577, 6713, 9751, 22057, 27263, 32039, 154399, 190841, 224273, 627049, 1335887, 4389343, 30725401]

約数ペア:

[(1, 30725401), (7, 4389343), (23, 1335887), (49, 627049), (137, 224273), (161, 190841), (199, 154399), (959, 32039), (1127, 27263), (1393, 22057), (3151, 9751), (4577, 6713)]