216560955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{58451}}^1$

素因数の和:58491

約数の個数: 32

約数和(自身を含む): 392797440

約数和(自身を除く): 176236485

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 58451, 175353, 292255, 759863, 876765, 1110569, 2279589, 3331707, 3799315, 5552845, 11397945, 14437397, 16658535, 43312191, 72186985, 216560955]

約数ペア:

[(1, 216560955), (3, 72186985), (5, 43312191), (13, 16658535), (15, 14437397), (19, 11397945), (39, 5552845), (57, 3799315), (65, 3331707), (95, 2279589), (195, 1110569), (247, 876765), (285, 759863), (741, 292255), (1235, 175353), (3705, 58451)]