15909156921

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1559}}^1\times {\mathrm{3547}}^1$

素因数の和:5253

約数の個数: 32

約数和(自身を含む): 24442030080

約数和(自身を除く): 8532873159

約数列:

[1, 3, 7, 21, 137, 411, 959, 1559, 2877, 3547, 4677, 10641, 10913, 24829, 32739, 74487, 213583, 485939, 640749, 1457817, 1495081, 3401573, 4485243, 5529773, 10204719, 16589319, 38708411, 116125233, 757578901, 2272736703, 5303052307, 15909156921]

約数ペア:

[(1, 15909156921), (3, 5303052307), (7, 2272736703), (21, 757578901), (137, 116125233), (411, 38708411), (959, 16589319), (1559, 10204719), (2877, 5529773), (3547, 4485243), (4677, 3401573), (10641, 1495081), (10913, 1457817), (24829, 640749), (32739, 485939), (74487, 213583)]