488406915

素因数分解:

$3^5\times 5^1\times {\mathrm{401981}}^1$

素因数の和:402001

約数の個数: 24

約数和(自身を含む): 877928688

約数和(自身を除く): 389521773

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 401981, 1205943, 2009905, 3617829, 6029715, 10853487, 18089145, 32560461, 54267435, 97681383, 162802305, 488406915]

約数ペア:

[(1, 488406915), (3, 162802305), (5, 97681383), (9, 54267435), (15, 32560461), (27, 18089145), (45, 10853487), (81, 6029715), (135, 3617829), (243, 2009905), (405, 1205943), (1215, 401981)]