309015

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{109}}^1$

素因数の和:133

約数の個数: 40

約数和(自身を含む): 638880

約数和(自身を除く): 329865

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 109, 135, 189, 315, 327, 405, 545, 567, 763, 945, 981, 1635, 2289, 2835, 2943, 3815, 4905, 6867, 8829, 11445, 14715, 20601, 34335, 44145, 61803, 103005, 309015]

約数ペア:

[(1, 309015), (3, 103005), (5, 61803), (7, 44145), (9, 34335), (15, 20601), (21, 14715), (27, 11445), (35, 8829), (45, 6867), (63, 4905), (81, 3815), (105, 2943), (109, 2835), (135, 2289), (189, 1635), (315, 981), (327, 945), (405, 763), (545, 567)]