64774785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{983}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 108822528

約数和(自身を除く): 44047743

約数列:

[1, 3, 5, 15, 23, 69, 115, 191, 345, 573, 955, 983, 2865, 2949, 4393, 4915, 13179, 14745, 21965, 22609, 65895, 67827, 113045, 187753, 339135, 563259, 938765, 2816295, 4318319, 12954957, 21591595, 64774785]

約数ペア:

[(1, 64774785), (3, 21591595), (5, 12954957), (15, 4318319), (23, 2816295), (69, 938765), (115, 563259), (191, 339135), (345, 187753), (573, 113045), (955, 67827), (983, 65895), (2865, 22609), (2949, 21965), (4393, 14745), (4915, 13179)]