250341

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 421344

約数和(自身を除く): 171003

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 131, 147, 273, 393, 637, 917, 1703, 1911, 2751, 5109, 6419, 11921, 19257, 35763, 83447, 250341]

約数ペア:

[(1, 250341), (3, 83447), (7, 35763), (13, 19257), (21, 11921), (39, 6419), (49, 5109), (91, 2751), (131, 1911), (147, 1703), (273, 917), (393, 637)]