64881918

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{19697}}^1$

素因数の和:19769

約数の個数: 32

約数和(自身を含む): 146553120

約数和(自身を除く): 81671202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 19697, 39394, 59091, 118182, 177273, 354546, 531819, 1063638, 1201517, 2403034, 3604551, 7209102, 10813653, 21627306, 32440959, 64881918]

約数ペア:

[(1, 64881918), (2, 32440959), (3, 21627306), (6, 10813653), (9, 7209102), (18, 3604551), (27, 2403034), (54, 1201517), (61, 1063638), (122, 531819), (183, 354546), (366, 177273), (549, 118182), (1098, 59091), (1647, 39394), (3294, 19697)]