3387215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 4631424

約数和(自身を除く): 1244209

約数列:

[1, 5, 13, 31, 41, 65, 155, 205, 403, 533, 1271, 1681, 2015, 2665, 6355, 8405, 16523, 21853, 52111, 82615, 109265, 260555, 677443, 3387215]

約数ペア:

[(1, 3387215), (5, 677443), (13, 260555), (31, 109265), (41, 82615), (65, 52111), (155, 21853), (205, 16523), (403, 8405), (533, 6355), (1271, 2665), (1681, 2015)]