90418215

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^2\times {\mathrm{761}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 146505168

約数和(自身を除く): 56086953

約数列:

[1, 3, 5, 15, 89, 267, 445, 761, 1335, 2283, 3805, 7921, 11415, 23763, 39605, 67729, 118815, 203187, 338645, 1015935, 6027881, 18083643, 30139405, 90418215]

約数ペア:

[(1, 90418215), (3, 30139405), (5, 18083643), (15, 6027881), (89, 1015935), (267, 338645), (445, 203187), (761, 118815), (1335, 67729), (2283, 39605), (3805, 23763), (7921, 11415)]