257029245

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{27329}}^1$

素因数の和:27370

約数の個数: 48

約数和(自身を含む): 511617600

約数和(自身を除く): 254588355

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3135, 9405, 27329, 81987, 136645, 245961, 300619, 409935, 519251, 901857, 1229805, 1503095, 1557753, 2596255, 2705571, 4509285, 4673259, 5711761, 7788765, 13527855, 17135283, 23366295, 28558805, 51405849, 85676415, 257029245]

約数ペア:

[(1, 257029245), (3, 85676415), (5, 51405849), (9, 28558805), (11, 23366295), (15, 17135283), (19, 13527855), (33, 7788765), (45, 5711761), (55, 4673259), (57, 4509285), (95, 2705571), (99, 2596255), (165, 1557753), (171, 1503095), (209, 1229805), (285, 901857), (495, 519251), (627, 409935), (855, 300619), (1045, 245961), (1881, 136645), (3135, 81987), (9405, 27329)]