31721646

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20897}}^1$

素因数の和:20936

約数の個数: 32

約数和(自身を含む): 72223488

約数和(自身を除く): 40501842

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 20897, 41794, 62691, 125382, 229867, 459734, 480631, 689601, 961262, 1379202, 1441893, 2883786, 5286941, 10573882, 15860823, 31721646]

約数ペア:

[(1, 31721646), (2, 15860823), (3, 10573882), (6, 5286941), (11, 2883786), (22, 1441893), (23, 1379202), (33, 961262), (46, 689601), (66, 480631), (69, 459734), (138, 229867), (253, 125382), (506, 62691), (759, 41794), (1518, 20897)]