198932979

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 312560640

約数和(自身を除く): 113627661

約数列:

[1, 3, 7, 21, 37, 111, 259, 503, 509, 777, 1509, 1527, 3521, 3563, 10563, 10689, 18611, 18833, 55833, 56499, 130277, 131831, 256027, 390831, 395493, 768081, 1792189, 5376567, 9472999, 28418997, 66310993, 198932979]

約数ペア:

[(1, 198932979), (3, 66310993), (7, 28418997), (21, 9472999), (37, 5376567), (111, 1792189), (259, 768081), (503, 395493), (509, 390831), (777, 256027), (1509, 131831), (1527, 130277), (3521, 56499), (3563, 55833), (10563, 18833), (10689, 18611)]