64812645

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10513}}^1$

素因数の和:10661

約数の個数: 24

約数和(自身を含む): 113172696

約数和(自身を除く): 48360051

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 10513, 31539, 52565, 94617, 157695, 473085, 1440281, 4320843, 7201405, 12962529, 21604215, 64812645]

約数ペア:

[(1, 64812645), (3, 21604215), (5, 12962529), (9, 7201405), (15, 4320843), (45, 1440281), (137, 473085), (411, 157695), (685, 94617), (1233, 52565), (2055, 31539), (6165, 10513)]