289247925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{202981}}^1$

素因数の和:203013

約数の個数: 24

約数和(自身を含む): 503395360

約数和(自身を除く): 214147435

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 202981, 608943, 1014905, 3044715, 3856639, 5074525, 11569917, 15223575, 19283195, 57849585, 96415975, 289247925]

約数ペア:

[(1, 289247925), (3, 96415975), (5, 57849585), (15, 19283195), (19, 15223575), (25, 11569917), (57, 5074525), (75, 3856639), (95, 3044715), (285, 1014905), (475, 608943), (1425, 202981)]