15957747

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 26889408

約数和(自身を除く): 10931661

約数列:

[1, 3, 9, 13, 17, 39, 51, 71, 113, 117, 153, 213, 221, 339, 639, 663, 923, 1017, 1207, 1469, 1921, 1989, 2769, 3621, 4407, 5763, 8023, 8307, 10863, 13221, 15691, 17289, 24069, 24973, 47073, 72207, 74919, 104299, 136391, 141219, 224757, 312897, 409173, 938691, 1227519, 1773083, 5319249, 15957747]

約数ペア:

[(1, 15957747), (3, 5319249), (9, 1773083), (13, 1227519), (17, 938691), (39, 409173), (51, 312897), (71, 224757), (113, 141219), (117, 136391), (153, 104299), (213, 74919), (221, 72207), (339, 47073), (639, 24973), (663, 24069), (923, 17289), (1017, 15691), (1207, 13221), (1469, 10863), (1921, 8307), (1989, 8023), (2769, 5763), (3621, 4407)]