1217013

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 2002752

約数和(自身を除く): 785739

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 487, 833, 1461, 2499, 3409, 8279, 10227, 23863, 24837, 57953, 71589, 173859, 405671, 1217013]

約数ペア:

[(1, 1217013), (3, 405671), (7, 173859), (17, 71589), (21, 57953), (49, 24837), (51, 23863), (119, 10227), (147, 8279), (357, 3409), (487, 2499), (833, 1461)]