64087881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 106659840

約数和(自身を除く): 42571959

約数列:

[1, 3, 11, 13, 31, 33, 39, 61, 79, 93, 143, 183, 237, 341, 403, 429, 671, 793, 869, 1023, 1027, 1209, 1891, 2013, 2379, 2449, 2607, 3081, 4433, 4819, 5673, 7347, 8723, 11297, 13299, 14457, 20801, 24583, 26169, 26939, 31837, 33891, 53009, 62403, 62647, 73749, 80817, 95511, 149389, 159027, 187941, 270413, 350207, 448167, 689117, 811239, 1050621, 1643279, 1942057, 2067351, 4929837, 5826171, 21362627, 64087881]

約数ペア:

[(1, 64087881), (3, 21362627), (11, 5826171), (13, 4929837), (31, 2067351), (33, 1942057), (39, 1643279), (61, 1050621), (79, 811239), (93, 689117), (143, 448167), (183, 350207), (237, 270413), (341, 187941), (403, 159027), (429, 149389), (671, 95511), (793, 80817), (869, 73749), (1023, 62647), (1027, 62403), (1209, 53009), (1891, 33891), (2013, 31837), (2379, 26939), (2449, 26169), (2607, 24583), (3081, 20801), (4433, 14457), (4819, 13299), (5673, 11297), (7347, 8723)]