278380947

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2437}}^1$

素因数の和:2583

約数の個数: 32

約数和(自身を含む): 417775680

約数和(自身を除く): 139394733

約数列:

[1, 3, 13, 29, 39, 87, 101, 303, 377, 1131, 1313, 2437, 2929, 3939, 7311, 8787, 31681, 38077, 70673, 95043, 114231, 212019, 246137, 738411, 918749, 2756247, 3199781, 7137973, 9599343, 21413919, 92793649, 278380947]

約数ペア:

[(1, 278380947), (3, 92793649), (13, 21413919), (29, 9599343), (39, 7137973), (87, 3199781), (101, 2756247), (303, 918749), (377, 738411), (1131, 246137), (1313, 212019), (2437, 114231), (2929, 95043), (3939, 70673), (7311, 38077), (8787, 31681)]