215510275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{10789}}^1$

素因数の和:10863

約数の個数: 24

約数和(自身を含む): 288999360

約数和(自身を除く): 73489085

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 3995, 10789, 19975, 53945, 183413, 269725, 507083, 917065, 2535415, 4585325, 8620411, 12677075, 43102055, 215510275]

約数ペア:

[(1, 215510275), (5, 43102055), (17, 12677075), (25, 8620411), (47, 4585325), (85, 2535415), (235, 917065), (425, 507083), (799, 269725), (1175, 183413), (3995, 53945), (10789, 19975)]