201897129

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^2$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 313485888

約数和(自身を除く): 111588759

約数列:

[1, 3, 7, 21, 61, 183, 397, 427, 1191, 1281, 2779, 8337, 24217, 72651, 157609, 169519, 472827, 508557, 1103263, 3309789, 9614149, 28842447, 67299043, 201897129]

約数ペア:

[(1, 201897129), (3, 67299043), (7, 28842447), (21, 9614149), (61, 3309789), (183, 1103263), (397, 508557), (427, 472827), (1191, 169519), (1281, 157609), (2779, 72651), (8337, 24217)]