30415257

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{19763}}^1$

素因数の和:19794

約数の個数: 20

約数和(自身を含む): 47828880

約数和(自身を除く): 17413623

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 19763, 59289, 177867, 375497, 533601, 1126491, 1600803, 3379473, 10138419, 30415257]

約数ペア:

[(1, 30415257), (3, 10138419), (9, 3379473), (19, 1600803), (27, 1126491), (57, 533601), (81, 375497), (171, 177867), (513, 59289), (1539, 19763)]