28397187

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34673}}^1$

素因数の和:34699

約数の個数: 24

約数和(自身を含む): 50485344

約数和(自身を除く): 22088157

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 34673, 104019, 242711, 312057, 450749, 728133, 1352247, 2184399, 3155243, 4056741, 9465729, 28397187]

約数ペア:

[(1, 28397187), (3, 9465729), (7, 4056741), (9, 3155243), (13, 2184399), (21, 1352247), (39, 728133), (63, 450749), (91, 312057), (117, 242711), (273, 104019), (819, 34673)]