68609895

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 112831488

約数和(自身を除く): 44221593

約数列:

[1, 3, 5, 15, 47, 141, 235, 307, 317, 705, 921, 951, 1535, 1585, 4605, 4755, 14429, 14899, 43287, 44697, 72145, 74495, 97319, 216435, 223485, 291957, 486595, 1459785, 4573993, 13721979, 22869965, 68609895]

約数ペア:

[(1, 68609895), (3, 22869965), (5, 13721979), (15, 4573993), (47, 1459785), (141, 486595), (235, 291957), (307, 223485), (317, 216435), (705, 97319), (921, 74495), (951, 72145), (1535, 44697), (1585, 43287), (4605, 14899), (4755, 14429)]