78005109

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{40819}}^1$

素因数の和:40849

約数の個数: 24

約数和(自身を含む): 130297440

約数和(自身を除く): 52292331

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 40819, 122457, 285733, 530647, 857199, 1591941, 2000131, 3714529, 6000393, 11143587, 26001703, 78005109]

約数ペア:

[(1, 78005109), (3, 26001703), (7, 11143587), (13, 6000393), (21, 3714529), (39, 2000131), (49, 1591941), (91, 857199), (147, 530647), (273, 285733), (637, 122457), (1911, 40819)]