202980405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{18979}}^1$

素因数の和:19041

約数の個数: 32

約数和(自身を含む): 349839360

約数和(自身を除く): 146858955

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 3565, 10695, 18979, 56937, 94895, 284685, 436517, 588349, 1309551, 1765047, 2182585, 2941745, 6547755, 8825235, 13532027, 40596081, 67660135, 202980405]

約数ペア:

[(1, 202980405), (3, 67660135), (5, 40596081), (15, 13532027), (23, 8825235), (31, 6547755), (69, 2941745), (93, 2182585), (115, 1765047), (155, 1309551), (345, 588349), (465, 436517), (713, 284685), (2139, 94895), (3565, 56937), (10695, 18979)]