28440213

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 13342827

約数列:

[1, 3, 23, 29, 61, 69, 87, 183, 233, 667, 699, 1403, 1769, 2001, 4209, 5307, 5359, 6757, 14213, 16077, 20271, 40687, 42639, 122061, 155411, 326899, 412177, 466233, 980697, 1236531, 9480071, 28440213]

約数ペア:

[(1, 28440213), (3, 9480071), (23, 1236531), (29, 980697), (61, 466233), (69, 412177), (87, 326899), (183, 155411), (233, 122061), (667, 42639), (699, 40687), (1403, 20271), (1769, 16077), (2001, 14213), (4209, 6757), (5307, 5359)]