1270721895

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{12791}}^1$

素因数の和:13015

約数の個数: 32

約数和(自身を含む): 2099934720

約数和(自身を除く): 829212825

約数列:

[1, 3, 5, 15, 37, 111, 179, 185, 537, 555, 895, 2685, 6623, 12791, 19869, 33115, 38373, 63955, 99345, 191865, 473267, 1419801, 2289589, 2366335, 6868767, 7099005, 11447945, 34343835, 84714793, 254144379, 423573965, 1270721895]

約数ペア:

[(1, 1270721895), (3, 423573965), (5, 254144379), (15, 84714793), (37, 34343835), (111, 11447945), (179, 7099005), (185, 6868767), (537, 2366335), (555, 2289589), (895, 1419801), (2685, 473267), (6623, 191865), (12791, 99345), (19869, 63955), (33115, 38373)]