210003105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{56681}}^1$

素因数の和:56721

約数の個数: 32

約数和(自身を含む): 380903040

約数和(自身を除く): 170899935

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 56681, 170043, 283405, 736853, 850215, 1076939, 2210559, 3230817, 3684265, 5384695, 11052795, 14000207, 16154085, 42000621, 70001035, 210003105]

約数ペア:

[(1, 210003105), (3, 70001035), (5, 42000621), (13, 16154085), (15, 14000207), (19, 11052795), (39, 5384695), (57, 3684265), (65, 3230817), (95, 2210559), (195, 1076939), (247, 850215), (285, 736853), (741, 283405), (1235, 170043), (3705, 56681)]