64123905

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 105960960

約数和(自身を除く): 41837055

約数列:

[1, 3, 5, 15, 53, 79, 159, 237, 265, 395, 795, 1021, 1185, 3063, 4187, 5105, 12561, 15315, 20935, 54113, 62805, 80659, 162339, 241977, 270565, 403295, 811695, 1209885, 4274927, 12824781, 21374635, 64123905]

約数ペア:

[(1, 64123905), (3, 21374635), (5, 12824781), (15, 4274927), (53, 1209885), (79, 811695), (159, 403295), (237, 270565), (265, 241977), (395, 162339), (795, 80659), (1021, 62805), (1185, 54113), (3063, 20935), (4187, 15315), (5105, 12561)]