78691785

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 131196672

約数和(自身を除く): 52504887

約数列:

[1, 3, 5, 15, 37, 71, 111, 185, 213, 355, 555, 1065, 1997, 2627, 5991, 7881, 9985, 13135, 29955, 39405, 73889, 141787, 221667, 369445, 425361, 708935, 1108335, 2126805, 5246119, 15738357, 26230595, 78691785]

約数ペア:

[(1, 78691785), (3, 26230595), (5, 15738357), (15, 5246119), (37, 2126805), (71, 1108335), (111, 708935), (185, 425361), (213, 369445), (355, 221667), (555, 141787), (1065, 73889), (1997, 39405), (2627, 29955), (5991, 13135), (7881, 9985)]