30789395

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 46435200

約数和(自身を除く): 15645805

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 637, 1381, 1715, 3185, 4459, 6905, 9667, 17953, 22295, 48335, 67669, 89765, 125671, 338345, 473683, 628355, 879697, 2368415, 4398485, 6157879, 30789395]

約数ペア:

[(1, 30789395), (5, 6157879), (7, 4398485), (13, 2368415), (35, 879697), (49, 628355), (65, 473683), (91, 338345), (245, 125671), (343, 89765), (455, 67669), (637, 48335), (1381, 22295), (1715, 17953), (3185, 9667), (4459, 6905)]