275259621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{12763}}^1$

素因数の和:12865

約数の個数: 32

約数和(自身を含む): 457461760

約数和(自身を除く): 182202139

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 7189, 12763, 21567, 38289, 89341, 165919, 268023, 497757, 1008277, 1161433, 3024831, 3484299, 7057939, 13107601, 21173817, 39322803, 91753207, 275259621]

約数ペア:

[(1, 275259621), (3, 91753207), (7, 39322803), (13, 21173817), (21, 13107601), (39, 7057939), (79, 3484299), (91, 3024831), (237, 1161433), (273, 1008277), (553, 497757), (1027, 268023), (1659, 165919), (3081, 89341), (7189, 38289), (12763, 21567)]