68765985

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21523}}^1$

素因数の和:21605

約数の個数: 24

約数和(自身を含む): 120878784

約数和(自身を除く): 52112799

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 21523, 64569, 107615, 193707, 322845, 968535, 1528133, 4584399, 7640665, 13753197, 22921995, 68765985]

約数ペア:

[(1, 68765985), (3, 22921995), (5, 13753197), (9, 7640665), (15, 4584399), (45, 1528133), (71, 968535), (213, 322845), (355, 193707), (639, 107615), (1065, 64569), (3195, 21523)]