87389757

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{106703}}^1$

素因数の和:106729

約数の個数: 24

約数和(自身を含む): 155361024

約数和(自身を除く): 67971267

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 106703, 320109, 746921, 960327, 1387139, 2240763, 4161417, 6722289, 9709973, 12484251, 29129919, 87389757]

約数ペア:

[(1, 87389757), (3, 29129919), (7, 12484251), (9, 9709973), (13, 6722289), (21, 4161417), (39, 2240763), (63, 1387139), (91, 960327), (117, 746921), (273, 320109), (819, 106703)]