81645192

素因数分解:

$2^3\times 3^3\times {\mathrm{431}}^1\times {\mathrm{877}}^1$

素因数の和:1323

約数の個数: 64

約数和(自身を含む): 227577600

約数和(自身を除く): 145932408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 431, 862, 877, 1293, 1724, 1754, 2586, 2631, 3448, 3508, 3879, 5172, 5262, 7016, 7758, 7893, 10344, 10524, 11637, 15516, 15786, 21048, 23274, 23679, 31032, 31572, 46548, 47358, 63144, 93096, 94716, 189432, 377987, 755974, 1133961, 1511948, 2267922, 3023896, 3401883, 4535844, 6803766, 9071688, 10205649, 13607532, 20411298, 27215064, 40822596, 81645192]

約数ペア:

[(1, 81645192), (2, 40822596), (3, 27215064), (4, 20411298), (6, 13607532), (8, 10205649), (9, 9071688), (12, 6803766), (18, 4535844), (24, 3401883), (27, 3023896), (36, 2267922), (54, 1511948), (72, 1133961), (108, 755974), (216, 377987), (431, 189432), (862, 94716), (877, 93096), (1293, 63144), (1724, 47358), (1754, 46548), (2586, 31572), (2631, 31032), (3448, 23679), (3508, 23274), (3879, 21048), (5172, 15786), (5262, 15516), (7016, 11637), (7758, 10524), (7893, 10344)]