64839615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2857}}^1$

素因数の和:2971

約数の個数: 32

約数和(自身を含む): 111119040

約数和(自身を除く): 46279425

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1513, 2857, 4539, 7565, 8571, 14285, 22695, 42855, 48569, 145707, 242845, 254273, 728535, 762819, 1271365, 3814095, 4322641, 12967923, 21613205, 64839615]

約数ペア:

[(1, 64839615), (3, 21613205), (5, 12967923), (15, 4322641), (17, 3814095), (51, 1271365), (85, 762819), (89, 728535), (255, 254273), (267, 242845), (445, 145707), (1335, 48569), (1513, 42855), (2857, 22695), (4539, 14285), (7565, 8571)]