157479903

素因数分解:

$3^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1697}}^1$

素因数の和:2204

約数の個数: 32

約数和(自身を含む): 267333120

約数和(自身を除く): 109853217

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 491, 1473, 1697, 3437, 4419, 5091, 10311, 11879, 13257, 15273, 30933, 35637, 45819, 92799, 106911, 320733, 833227, 2499681, 5832589, 7499043, 17497767, 22497129, 52493301, 157479903]

約数ペア:

[(1, 157479903), (3, 52493301), (7, 22497129), (9, 17497767), (21, 7499043), (27, 5832589), (63, 2499681), (189, 833227), (491, 320733), (1473, 106911), (1697, 92799), (3437, 45819), (4419, 35637), (5091, 30933), (10311, 15273), (11879, 13257)]