2688165

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 5031936

約数和(自身を除く): 2343771

約数列:

[1, 3, 5, 9, 15, 31, 41, 45, 47, 93, 123, 141, 155, 205, 235, 279, 369, 423, 465, 615, 705, 1271, 1395, 1457, 1845, 1927, 2115, 3813, 4371, 5781, 6355, 7285, 9635, 11439, 13113, 17343, 19065, 21855, 28905, 57195, 59737, 65565, 86715, 179211, 298685, 537633, 896055, 2688165]

約数ペア:

[(1, 2688165), (3, 896055), (5, 537633), (9, 298685), (15, 179211), (31, 86715), (41, 65565), (45, 59737), (47, 57195), (93, 28905), (123, 21855), (141, 19065), (155, 17343), (205, 13113), (235, 11439), (279, 9635), (369, 7285), (423, 6355), (465, 5781), (615, 4371), (705, 3813), (1271, 2115), (1395, 1927), (1457, 1845)]