398450565

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{28289}}^1$

素因数の和:28613

約数の個数: 24

約数和(自身を含む): 692878680

約数和(自身を除く): 294428115

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1565, 2817, 4695, 14085, 28289, 84867, 141445, 254601, 424335, 1273005, 8854457, 26563371, 44272285, 79690113, 132816855, 398450565]

約数ペア:

[(1, 398450565), (3, 132816855), (5, 79690113), (9, 44272285), (15, 26563371), (45, 8854457), (313, 1273005), (939, 424335), (1565, 254601), (2817, 141445), (4695, 84867), (14085, 28289)]