81105804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{13331}}^1$

素因数の和:13367

約数の個数: 54

約数和(自身を含む): 222017796

約数和(自身を除く): 140911992

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 6084, 13331, 26662, 39993, 53324, 79986, 119979, 159972, 173303, 239958, 346606, 479916, 519909, 693212, 1039818, 1559727, 2079636, 2252939, 3119454, 4505878, 6238908, 6758817, 9011756, 13517634, 20276451, 27035268, 40552902, 81105804]

約数ペア:

[(1, 81105804), (2, 40552902), (3, 27035268), (4, 20276451), (6, 13517634), (9, 9011756), (12, 6758817), (13, 6238908), (18, 4505878), (26, 3119454), (36, 2252939), (39, 2079636), (52, 1559727), (78, 1039818), (117, 693212), (156, 519909), (169, 479916), (234, 346606), (338, 239958), (468, 173303), (507, 159972), (676, 119979), (1014, 79986), (1521, 53324), (2028, 39993), (3042, 26662), (6084, 13331)]