81826479

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 142272000

約数和(自身を除く): 60445521

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 149, 161, 207, 379, 447, 483, 1043, 1137, 1341, 1449, 2653, 3129, 3411, 3427, 7959, 8717, 9387, 10281, 23877, 23989, 26151, 30843, 56471, 61019, 71967, 78453, 169413, 183057, 215901, 395297, 508239, 549171, 1185891, 1298833, 3557673, 3896499, 9091831, 11689497, 27275493, 81826479]

約数ペア:

[(1, 81826479), (3, 27275493), (7, 11689497), (9, 9091831), (21, 3896499), (23, 3557673), (63, 1298833), (69, 1185891), (149, 549171), (161, 508239), (207, 395297), (379, 215901), (447, 183057), (483, 169413), (1043, 78453), (1137, 71967), (1341, 61019), (1449, 56471), (2653, 30843), (3129, 26151), (3411, 23989), (3427, 23877), (7959, 10281), (8717, 9387)]