1919281

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 2528064

約数和(自身を除く): 608783

約数列:

[1, 7, 13, 23, 49, 91, 131, 161, 299, 637, 917, 1127, 1703, 2093, 3013, 6419, 11921, 14651, 21091, 39169, 83447, 147637, 274183, 1919281]

約数ペア:

[(1, 1919281), (7, 274183), (13, 147637), (23, 83447), (49, 39169), (91, 21091), (131, 14651), (161, 11921), (299, 6419), (637, 3013), (917, 2093), (1127, 1703)]