64125747

素因数分解:

$3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1583}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 106089984

約数和(自身を除く): 41964237

約数列:

[1, 3, 7, 9, 21, 63, 643, 1583, 1929, 4501, 4749, 5787, 11081, 13503, 14247, 33243, 40509, 99729, 1017869, 3053607, 7125083, 9160821, 21375249, 64125747]

約数ペア:

[(1, 64125747), (3, 21375249), (7, 9160821), (9, 7125083), (21, 3053607), (63, 1017869), (643, 99729), (1583, 40509), (1929, 33243), (4501, 14247), (4749, 13503), (5787, 11081)]