28491411

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1381}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 42797776

約数和(自身を除く): 14306365

約数列:

[1, 3, 13, 23, 39, 69, 299, 529, 897, 1381, 1587, 4143, 6877, 17953, 20631, 31763, 53859, 95289, 412919, 730549, 1238757, 2191647, 9497137, 28491411]

約数ペア:

[(1, 28491411), (3, 9497137), (13, 2191647), (23, 1238757), (39, 730549), (69, 412919), (299, 95289), (529, 53859), (897, 31763), (1381, 20631), (1587, 17953), (4143, 6877)]