389630979

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4483}}^1$

素因数の和:4561

約数の個数: 40

約数和(自身を含む): 618522960

約数和(自身を除く): 228891981

約数列:

[1, 3, 9, 27, 29, 37, 81, 87, 111, 261, 333, 783, 999, 1073, 2349, 2997, 3219, 4483, 9657, 13449, 28971, 40347, 86913, 121041, 130007, 165871, 363123, 390021, 497613, 1170063, 1492839, 3510189, 4478517, 4810259, 10530567, 13435551, 14430777, 43292331, 129876993, 389630979]

約数ペア:

[(1, 389630979), (3, 129876993), (9, 43292331), (27, 14430777), (29, 13435551), (37, 10530567), (81, 4810259), (87, 4478517), (111, 3510189), (261, 1492839), (333, 1170063), (783, 497613), (999, 390021), (1073, 363123), (2349, 165871), (2997, 130007), (3219, 121041), (4483, 86913), (9657, 40347), (13449, 28971)]