15216513

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 23587200

約数和(自身を除く): 8370687

約数列:

[1, 3, 13, 17, 39, 51, 59, 177, 221, 389, 663, 767, 1003, 1167, 2301, 3009, 5057, 6613, 13039, 15171, 19839, 22951, 39117, 68853, 85969, 257907, 298363, 390167, 895089, 1170501, 5072171, 15216513]

約数ペア:

[(1, 15216513), (3, 5072171), (13, 1170501), (17, 895089), (39, 390167), (51, 298363), (59, 257907), (177, 85969), (221, 68853), (389, 39117), (663, 22951), (767, 19839), (1003, 15171), (1167, 13039), (2301, 6613), (3009, 5057)]