29820921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5501}}^1$

素因数の和:5656

約数の個数: 16

約数和(自身を含む): 43135680

約数和(自身を除く): 13314759

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5421, 5501, 16503, 71513, 214539, 764639, 2293917, 9940307, 29820921]

約数ペア:

[(1, 29820921), (3, 9940307), (13, 2293917), (39, 764639), (139, 214539), (417, 71513), (1807, 16503), (5421, 5501)]