64647843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 96832512

約数和(自身を除く): 32184669

約数列:

[1, 3, 13, 37, 39, 71, 111, 213, 481, 631, 923, 1443, 1893, 2627, 2769, 7881, 8203, 23347, 24609, 34151, 44801, 70041, 102453, 134403, 303511, 582413, 910533, 1657637, 1747239, 4972911, 21549281, 64647843]

約数ペア:

[(1, 64647843), (3, 21549281), (13, 4972911), (37, 1747239), (39, 1657637), (71, 910533), (111, 582413), (213, 303511), (481, 134403), (631, 102453), (923, 70041), (1443, 44801), (1893, 34151), (2627, 24609), (2769, 23347), (7881, 8203)]