31544799

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 52026240

約数和(自身を除く): 20481441

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 139, 143, 253, 299, 417, 429, 529, 759, 897, 1529, 1587, 1807, 3197, 3289, 4587, 5421, 5819, 6877, 9591, 9867, 17457, 19877, 20631, 35167, 41561, 59631, 73531, 75647, 105501, 124683, 220593, 226941, 457171, 808841, 955903, 1371513, 2426523, 2867709, 10514933, 31544799]

約数ペア:

[(1, 31544799), (3, 10514933), (11, 2867709), (13, 2426523), (23, 1371513), (33, 955903), (39, 808841), (69, 457171), (139, 226941), (143, 220593), (253, 124683), (299, 105501), (417, 75647), (429, 73531), (529, 59631), (759, 41561), (897, 35167), (1529, 20631), (1587, 19877), (1807, 17457), (3197, 9867), (3289, 9591), (4587, 6877), (5421, 5819)]