15291255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1063}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 28191744

約数和(自身を除く): 12900489

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 1063, 2055, 2877, 3189, 4795, 5315, 7441, 14385, 15945, 22323, 37205, 111615, 145631, 436893, 728155, 1019417, 2184465, 3058251, 5097085, 15291255]

約数ペア:

[(1, 15291255), (3, 5097085), (5, 3058251), (7, 2184465), (15, 1019417), (21, 728155), (35, 436893), (105, 145631), (137, 111615), (411, 37205), (685, 22323), (959, 15945), (1063, 14385), (2055, 7441), (2877, 5315), (3189, 4795)]