220172289

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{6781}}^1$

素因数の和:7000

約数の個数: 16

約数和(自身を含む): 299493120

約数和(自身を除く): 79320831

約数列:

[1, 3, 79, 137, 237, 411, 6781, 10823, 20343, 32469, 535699, 928997, 1607097, 2786991, 73390763, 220172289]

約数ペア:

[(1, 220172289), (3, 73390763), (79, 2786991), (137, 1607097), (237, 928997), (411, 535699), (6781, 32469), (10823, 20343)]