64400721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3529}}^1$

素因数の和:3629

約数の個数: 32

約数和(自身を含む): 108441600

約数和(自身を除く): 44040879

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1659, 2607, 3529, 6083, 10587, 18249, 24703, 38819, 74109, 116457, 271733, 278791, 815199, 836373, 1951537, 3066701, 5854611, 9200103, 21466907, 64400721]

約数ペア:

[(1, 64400721), (3, 21466907), (7, 9200103), (11, 5854611), (21, 3066701), (33, 1951537), (77, 836373), (79, 815199), (231, 278791), (237, 271733), (553, 116457), (869, 74109), (1659, 38819), (2607, 24703), (3529, 18249), (6083, 10587)]