551448306

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{220403}}^1$

素因数の和:220550

約数の個数: 24

約数和(自身を含む): 1203405840

約数和(自身を除く): 651957534

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 220403, 440806, 661209, 1322418, 1983627, 3967254, 30636017, 61272034, 91908051, 183816102, 275724153, 551448306]

約数ペア:

[(1, 551448306), (2, 275724153), (3, 183816102), (6, 91908051), (9, 61272034), (18, 30636017), (139, 3967254), (278, 1983627), (417, 1322418), (834, 661209), (1251, 440806), (2502, 220403)]