215577855

素因数分解:

$3^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1093}}^1$

素因数の和:1597

約数の個数: 40

約数和(自身を含む): 387591072

約数和(自身を除く): 172013217

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 487, 1093, 1461, 2435, 3279, 4383, 5465, 7305, 9837, 13149, 16395, 21915, 29511, 39447, 49185, 65745, 88533, 147555, 197235, 442665, 532291, 1596873, 2661455, 4790619, 7984365, 14371857, 23953095, 43115571, 71859285, 215577855]

約数ペア:

[(1, 215577855), (3, 71859285), (5, 43115571), (9, 23953095), (15, 14371857), (27, 7984365), (45, 4790619), (81, 2661455), (135, 1596873), (405, 532291), (487, 442665), (1093, 197235), (1461, 147555), (2435, 88533), (3279, 65745), (4383, 49185), (5465, 39447), (7305, 29511), (9837, 21915), (13149, 16395)]