81254142

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{6977}}^1$

素因数の和:7632

約数の個数: 24

約数和(自身を含む): 176348016

約数和(自身を除く): 95093874

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1941, 3882, 5823, 6977, 11646, 13954, 20931, 41862, 62793, 125586, 4514119, 9028238, 13542357, 27084714, 40627071, 81254142]

約数ペア:

[(1, 81254142), (2, 40627071), (3, 27084714), (6, 13542357), (9, 9028238), (18, 4514119), (647, 125586), (1294, 62793), (1941, 41862), (3882, 20931), (5823, 13954), (6977, 11646)]