253617405

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{2207}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 417153024

約数和(自身を除く): 163535619

約数列:

[1, 3, 5, 15, 47, 141, 163, 235, 489, 705, 815, 2207, 2445, 6621, 7661, 11035, 22983, 33105, 38305, 103729, 114915, 311187, 359741, 518645, 1079223, 1555935, 1798705, 5396115, 16907827, 50723481, 84539135, 253617405]

約数ペア:

[(1, 253617405), (3, 84539135), (5, 50723481), (15, 16907827), (47, 5396115), (141, 1798705), (163, 1555935), (235, 1079223), (489, 518645), (705, 359741), (815, 311187), (2207, 114915), (2445, 103729), (6621, 38305), (7661, 33105), (11035, 22983)]