15212855

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 6559945

約数列:

[1, 5, 7, 35, 53, 59, 139, 265, 295, 371, 413, 695, 973, 1855, 2065, 3127, 4865, 7367, 8201, 15635, 21889, 36835, 41005, 51569, 57407, 109445, 257845, 287035, 434653, 2173265, 3042571, 15212855]

約数ペア:

[(1, 15212855), (5, 3042571), (7, 2173265), (35, 434653), (53, 287035), (59, 257845), (139, 109445), (265, 57407), (295, 51569), (371, 41005), (413, 36835), (695, 21889), (973, 15635), (1855, 8201), (2065, 7367), (3127, 4865)]