1423205

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 2053368

約数和(自身を除く): 630163

約数列:

[1, 5, 7, 35, 37, 49, 157, 185, 245, 259, 785, 1099, 1295, 1813, 5495, 5809, 7693, 9065, 29045, 38465, 40663, 203315, 284641, 1423205]

約数ペア:

[(1, 1423205), (5, 284641), (7, 203315), (35, 40663), (37, 38465), (49, 29045), (157, 9065), (185, 7693), (245, 5809), (259, 5495), (785, 1813), (1099, 1295)]