81827496

素因数分解:

$2^3\times 3^4\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 230715540

約数和(自身を除く): 148888044

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 197, 216, 324, 394, 591, 641, 648, 788, 1182, 1282, 1576, 1773, 1923, 2364, 2564, 3546, 3846, 4728, 5128, 5319, 5769, 7092, 7692, 10638, 11538, 14184, 15384, 15957, 17307, 21276, 23076, 31914, 34614, 42552, 46152, 51921, 63828, 69228, 103842, 126277, 127656, 138456, 207684, 252554, 378831, 415368, 505108, 757662, 1010216, 1136493, 1515324, 2272986, 3030648, 3409479, 4545972, 6818958, 9091944, 10228437, 13637916, 20456874, 27275832, 40913748, 81827496]

約数ペア:

[(1, 81827496), (2, 40913748), (3, 27275832), (4, 20456874), (6, 13637916), (8, 10228437), (9, 9091944), (12, 6818958), (18, 4545972), (24, 3409479), (27, 3030648), (36, 2272986), (54, 1515324), (72, 1136493), (81, 1010216), (108, 757662), (162, 505108), (197, 415368), (216, 378831), (324, 252554), (394, 207684), (591, 138456), (641, 127656), (648, 126277), (788, 103842), (1182, 69228), (1282, 63828), (1576, 51921), (1773, 46152), (1923, 42552), (2364, 34614), (2564, 31914), (3546, 23076), (3846, 21276), (4728, 17307), (5128, 15957), (5319, 15384), (5769, 14184), (7092, 11538), (7692, 10638)]