81264168

素因数分解:

$2^3\times 3^3\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1311

約数の個数: 64

約数和(自身を含む): 226512000

約数和(自身を除く): 145247832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 439, 857, 878, 1317, 1714, 1756, 2571, 2634, 3428, 3512, 3951, 5142, 5268, 6856, 7713, 7902, 10284, 10536, 11853, 15426, 15804, 20568, 23139, 23706, 30852, 31608, 46278, 47412, 61704, 92556, 94824, 185112, 376223, 752446, 1128669, 1504892, 2257338, 3009784, 3386007, 4514676, 6772014, 9029352, 10158021, 13544028, 20316042, 27088056, 40632084, 81264168]

約数ペア:

[(1, 81264168), (2, 40632084), (3, 27088056), (4, 20316042), (6, 13544028), (8, 10158021), (9, 9029352), (12, 6772014), (18, 4514676), (24, 3386007), (27, 3009784), (36, 2257338), (54, 1504892), (72, 1128669), (108, 752446), (216, 376223), (439, 185112), (857, 94824), (878, 92556), (1317, 61704), (1714, 47412), (1756, 46278), (2571, 31608), (2634, 30852), (3428, 23706), (3512, 23139), (3951, 20568), (5142, 15804), (5268, 15426), (6856, 11853), (7713, 10536), (7902, 10284)]