81359421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3109}}^1$

素因数の和:3197

約数の個数: 32

約数和(自身を含む): 129575040

約数和(自身を除く): 48215619

約数列:

[1, 3, 11, 13, 33, 39, 61, 143, 183, 429, 671, 793, 2013, 2379, 3109, 8723, 9327, 26169, 34199, 40417, 102597, 121251, 189649, 444587, 568947, 1333761, 2086139, 2465437, 6258417, 7396311, 27119807, 81359421]

約数ペア:

[(1, 81359421), (3, 27119807), (11, 7396311), (13, 6258417), (33, 2465437), (39, 2086139), (61, 1333761), (143, 568947), (183, 444587), (429, 189649), (671, 121251), (793, 102597), (2013, 40417), (2379, 34199), (3109, 26169), (8723, 9327)]