1915691847

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1\times {\mathrm{9521}}^1$

素因数の和:10998

約数の個数: 16

約数和(自身を含む): 2610703872

約数和(自身を除く): 695012025

約数列:

[1, 3, 47, 141, 1427, 4281, 9521, 28563, 67069, 201207, 447487, 1342461, 13586467, 40759401, 638563949, 1915691847]

約数ペア:

[(1, 1915691847), (3, 638563949), (47, 40759401), (141, 13586467), (1427, 1342461), (4281, 447487), (9521, 201207), (28563, 67069)]