30415815

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 54857088

約数和(自身を除く): 24441273

約数列:

[1, 3, 5, 9, 15, 45, 47, 73, 141, 197, 219, 235, 365, 423, 591, 657, 705, 985, 1095, 1773, 2115, 2955, 3285, 3431, 8865, 9259, 10293, 14381, 17155, 27777, 30879, 43143, 46295, 51465, 71905, 83331, 129429, 138885, 154395, 215715, 416655, 647145, 675907, 2027721, 3379535, 6083163, 10138605, 30415815]

約数ペア:

[(1, 30415815), (3, 10138605), (5, 6083163), (9, 3379535), (15, 2027721), (45, 675907), (47, 647145), (73, 416655), (141, 215715), (197, 154395), (219, 138885), (235, 129429), (365, 83331), (423, 71905), (591, 51465), (657, 46295), (705, 43143), (985, 30879), (1095, 27777), (1773, 17155), (2115, 14381), (2955, 10293), (3285, 9259), (3431, 8865)]