638884275

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{95713}}^1$

素因数の和:95815

約数の個数: 24

約数和(自身を含む): 1068168240

約数和(自身を除く): 429283965

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 6675, 95713, 287139, 478565, 1435695, 2392825, 7178475, 8518457, 25555371, 42592285, 127776855, 212961425, 638884275]

約数ペア:

[(1, 638884275), (3, 212961425), (5, 127776855), (15, 42592285), (25, 25555371), (75, 8518457), (89, 7178475), (267, 2392825), (445, 1435695), (1335, 478565), (2225, 287139), (6675, 95713)]