15246987

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 25608960

約数和(自身を除く): 10361973

約数列:

[1, 3, 7, 19, 21, 49, 53, 57, 103, 133, 147, 159, 309, 371, 399, 721, 931, 1007, 1113, 1957, 2163, 2597, 2793, 3021, 5047, 5459, 5871, 7049, 7791, 13699, 15141, 16377, 21147, 38213, 41097, 49343, 95893, 103721, 114639, 148029, 267491, 287679, 311163, 726047, 802473, 2178141, 5082329, 15246987]

約数ペア:

[(1, 15246987), (3, 5082329), (7, 2178141), (19, 802473), (21, 726047), (49, 311163), (53, 287679), (57, 267491), (103, 148029), (133, 114639), (147, 103721), (159, 95893), (309, 49343), (371, 41097), (399, 38213), (721, 21147), (931, 16377), (1007, 15141), (1113, 13699), (1957, 7791), (2163, 7049), (2597, 5871), (2793, 5459), (3021, 5047)]