401521005

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1709}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 729855360

約数和(自身を除く): 328334355

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 227, 345, 681, 1035, 1135, 1709, 2043, 3405, 5127, 5221, 8545, 10215, 15381, 15663, 25635, 26105, 39307, 46989, 76905, 78315, 117921, 196535, 234945, 353763, 387943, 589605, 1163829, 1768815, 1939715, 3491487, 5819145, 8922689, 17457435, 26768067, 44613445, 80304201, 133840335, 401521005]

約数ペア:

[(1, 401521005), (3, 133840335), (5, 80304201), (9, 44613445), (15, 26768067), (23, 17457435), (45, 8922689), (69, 5819145), (115, 3491487), (207, 1939715), (227, 1768815), (345, 1163829), (681, 589605), (1035, 387943), (1135, 353763), (1709, 234945), (2043, 196535), (3405, 117921), (5127, 78315), (5221, 76905), (8545, 46989), (10215, 39307), (15381, 26105), (15663, 25635)]