12478965

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 20756736

約数和(自身を除く): 8277771

約数列:

[1, 3, 5, 15, 41, 103, 123, 197, 205, 309, 515, 591, 615, 985, 1545, 2955, 4223, 8077, 12669, 20291, 21115, 24231, 40385, 60873, 63345, 101455, 121155, 304365, 831931, 2495793, 4159655, 12478965]

約数ペア:

[(1, 12478965), (3, 4159655), (5, 2495793), (15, 831931), (41, 304365), (103, 121155), (123, 101455), (197, 63345), (205, 60873), (309, 40385), (515, 24231), (591, 21115), (615, 20291), (985, 12669), (1545, 8077), (2955, 4223)]