221451105

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{13759}}^1$

素因数の和:13833

約数の個数: 32

約数和(自身を含む): 376473600

約数和(自身を除く): 155022495

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 3219, 5365, 13759, 16095, 41277, 68795, 206385, 399011, 509083, 1197033, 1527249, 1995055, 2545415, 5985165, 7636245, 14763407, 44290221, 73817035, 221451105]

約数ペア:

[(1, 221451105), (3, 73817035), (5, 44290221), (15, 14763407), (29, 7636245), (37, 5985165), (87, 2545415), (111, 1995055), (145, 1527249), (185, 1197033), (435, 509083), (555, 399011), (1073, 206385), (3219, 68795), (5365, 41277), (13759, 16095)]