198178827

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2161}}^1$

素因数の和:2579

約数の個数: 32

約数和(自身を含む): 330422784

約数和(自身を除く): 132243957

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 397, 1191, 2161, 2779, 4367, 6483, 8337, 13101, 15127, 23771, 30569, 45381, 71313, 91707, 166397, 499191, 857917, 2573751, 6005419, 9437087, 18016257, 28311261, 66059609, 198178827]

約数ペア:

[(1, 198178827), (3, 66059609), (7, 28311261), (11, 18016257), (21, 9437087), (33, 6005419), (77, 2573751), (231, 857917), (397, 499191), (1191, 166397), (2161, 91707), (2779, 71313), (4367, 45381), (6483, 30569), (8337, 23771), (13101, 15127)]