637327755

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1\times {\mathrm{557}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 1132320384

約数和(自身を除く): 494992629

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 541, 557, 705, 1623, 1671, 2115, 2705, 2785, 4869, 5013, 8115, 8355, 24345, 25065, 25427, 26179, 76281, 78537, 127135, 130895, 228843, 235611, 301337, 381405, 392685, 904011, 1144215, 1178055, 1506685, 2712033, 4520055, 13560165, 14162839, 42488517, 70814195, 127465551, 212442585, 637327755]

約数ペア:

[(1, 637327755), (3, 212442585), (5, 127465551), (9, 70814195), (15, 42488517), (45, 14162839), (47, 13560165), (141, 4520055), (235, 2712033), (423, 1506685), (541, 1178055), (557, 1144215), (705, 904011), (1623, 392685), (1671, 381405), (2115, 301337), (2705, 235611), (2785, 228843), (4869, 130895), (5013, 127135), (8115, 78537), (8355, 76281), (24345, 26179), (25065, 25427)]