123244515

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19991}}^1$

素因数の和:20139

約数の個数: 24

約数和(自身を含む): 215193888

約数和(自身を除く): 91949373

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 19991, 59973, 99955, 179919, 299865, 899595, 2738767, 8216301, 13693835, 24648903, 41081505, 123244515]

約数ペア:

[(1, 123244515), (3, 41081505), (5, 24648903), (9, 13693835), (15, 8216301), (45, 2738767), (137, 899595), (411, 299865), (685, 179919), (1233, 99955), (2055, 59973), (6165, 19991)]