131401305

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 268646400

約数和(自身を除く): 137245095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 211, 315, 633, 659, 945, 1055, 1477, 1899, 1977, 3165, 3295, 4431, 4613, 5697, 5931, 7385, 9495, 9885, 13293, 13839, 17793, 22155, 23065, 28485, 29655, 39879, 41517, 66465, 69195, 88965, 124551, 139049, 199395, 207585, 417147, 622755, 695245, 973343, 1251441, 2085735, 2920029, 3754323, 4866715, 6257205, 8760087, 14600145, 18771615, 26280261, 43800435, 131401305]

約数ペア:

[(1, 131401305), (3, 43800435), (5, 26280261), (7, 18771615), (9, 14600145), (15, 8760087), (21, 6257205), (27, 4866715), (35, 3754323), (45, 2920029), (63, 2085735), (105, 1251441), (135, 973343), (189, 695245), (211, 622755), (315, 417147), (633, 207585), (659, 199395), (945, 139049), (1055, 124551), (1477, 88965), (1899, 69195), (1977, 66465), (3165, 41517), (3295, 39879), (4431, 29655), (4613, 28485), (5697, 23065), (5931, 22155), (7385, 17793), (9495, 13839), (9885, 13293)]