30880521

素因数分解:

$3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:635

約数の個数: 40

約数和(自身を含む): 53317440

約数和(自身を除く): 22436919

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 321, 509, 567, 749, 963, 1527, 2247, 2889, 3563, 4581, 6741, 8667, 10689, 13743, 20223, 32067, 41229, 54463, 60669, 96201, 163389, 288603, 381241, 490167, 1143723, 1470501, 3431169, 4411503, 10293507, 30880521]

約数ペア:

[(1, 30880521), (3, 10293507), (7, 4411503), (9, 3431169), (21, 1470501), (27, 1143723), (63, 490167), (81, 381241), (107, 288603), (189, 163389), (321, 96201), (509, 60669), (567, 54463), (749, 41229), (963, 32067), (1527, 20223), (2247, 13743), (2889, 10689), (3563, 8667), (4581, 6741)]