13217475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 23212800

約数和(自身を除く): 9995325

約数列:

[1, 3, 5, 15, 25, 29, 59, 75, 87, 103, 145, 177, 295, 309, 435, 515, 725, 885, 1475, 1545, 1711, 2175, 2575, 2987, 4425, 5133, 6077, 7725, 8555, 8961, 14935, 18231, 25665, 30385, 42775, 44805, 74675, 91155, 128325, 151925, 176233, 224025, 455775, 528699, 881165, 2643495, 4405825, 13217475]

約数ペア:

[(1, 13217475), (3, 4405825), (5, 2643495), (15, 881165), (25, 528699), (29, 455775), (59, 224025), (75, 176233), (87, 151925), (103, 128325), (145, 91155), (177, 74675), (295, 44805), (309, 42775), (435, 30385), (515, 25665), (725, 18231), (885, 14935), (1475, 8961), (1545, 8555), (1711, 7725), (2175, 6077), (2575, 5133), (2987, 4425)]