156978705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{805019}}^1$

素因数の和:805040

約数の個数: 16

約数和(自身を含む): 270486720

約数和(自身を除く): 113508015

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 805019, 2415057, 4025095, 10465247, 12075285, 31395741, 52326235, 156978705]

約数ペア:

[(1, 156978705), (3, 52326235), (5, 31395741), (13, 12075285), (15, 10465247), (39, 4025095), (65, 2415057), (195, 805019)]