138906747

素因数分解:

$3^2\times 7^1\times {\mathrm{983}}^1\times {\mathrm{2243}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 229641984

約数和(自身を除く): 90735237

約数列:

[1, 3, 7, 9, 21, 63, 983, 2243, 2949, 6729, 6881, 8847, 15701, 20187, 20643, 47103, 61929, 141309, 2204869, 6614607, 15434083, 19843821, 46302249, 138906747]

約数ペア:

[(1, 138906747), (3, 46302249), (7, 19843821), (9, 15434083), (21, 6614607), (63, 2204869), (983, 141309), (2243, 61929), (2949, 47103), (6729, 20643), (6881, 20187), (8847, 15701)]