47880357

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 75264000

約数和(自身を除く): 27383643

約数列:

[1, 3, 7, 21, 47, 139, 141, 329, 349, 417, 973, 987, 1047, 2443, 2919, 6533, 7329, 16403, 19599, 45731, 48511, 49209, 114821, 137193, 145533, 339577, 344463, 1018731, 2280017, 6840051, 15960119, 47880357]

約数ペア:

[(1, 47880357), (3, 15960119), (7, 6840051), (21, 2280017), (47, 1018731), (139, 344463), (141, 339577), (329, 145533), (349, 137193), (417, 114821), (973, 49209), (987, 48511), (1047, 45731), (2443, 19599), (2919, 16403), (6533, 7329)]