9899775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1952

約数の個数: 36

約数和(自身を含む): 18512208

約数和(自身を除く): 8612433

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 1913, 5175, 5739, 9565, 17217, 28695, 43999, 47825, 86085, 131997, 143475, 219995, 395991, 430425, 659985, 1099975, 1979955, 3299925, 9899775]

約数ペア:

[(1, 9899775), (3, 3299925), (5, 1979955), (9, 1099975), (15, 659985), (23, 430425), (25, 395991), (45, 219995), (69, 143475), (75, 131997), (115, 86085), (207, 47825), (225, 43999), (345, 28695), (575, 17217), (1035, 9565), (1725, 5739), (1913, 5175)]