81529686

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215687}}^1$

素因数の和:215705

約数の個数: 32

約数和(自身を含む): 207060480

約数和(自身を除く): 125530794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215687, 431374, 647061, 1294122, 1509809, 1941183, 3019618, 3882366, 4529427, 5823549, 9058854, 11647098, 13588281, 27176562, 40764843, 81529686]

約数ペア:

[(1, 81529686), (2, 40764843), (3, 27176562), (6, 13588281), (7, 11647098), (9, 9058854), (14, 5823549), (18, 4529427), (21, 3882366), (27, 3019618), (42, 1941183), (54, 1509809), (63, 1294122), (126, 647061), (189, 431374), (378, 215687)]