215474925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{5431}}^1$

素因数の和:5490

約数の個数: 36

約数和(自身を含む): 372483104

約数和(自身を除く): 157008179

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 529, 575, 1587, 1725, 2645, 5431, 7935, 13225, 16293, 27155, 39675, 81465, 124913, 135775, 374739, 407325, 624565, 1873695, 2872999, 3122825, 8618997, 9368475, 14364995, 43094985, 71824975, 215474925]

約数ペア:

[(1, 215474925), (3, 71824975), (5, 43094985), (15, 14364995), (23, 9368475), (25, 8618997), (69, 3122825), (75, 2872999), (115, 1873695), (345, 624565), (529, 407325), (575, 374739), (1587, 135775), (1725, 124913), (2645, 81465), (5431, 39675), (7935, 27155), (13225, 16293)]