81861786

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{28603}}^1$

素因数の和:28667

約数の個数: 32

約数和(自身を含む): 185353920

約数和(自身を除く): 103492134

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 28603, 57206, 85809, 171618, 257427, 514854, 772281, 1515959, 1544562, 3031918, 4547877, 9095754, 13643631, 27287262, 40930893, 81861786]

約数ペア:

[(1, 81861786), (2, 40930893), (3, 27287262), (6, 13643631), (9, 9095754), (18, 4547877), (27, 3031918), (53, 1544562), (54, 1515959), (106, 772281), (159, 514854), (318, 257427), (477, 171618), (954, 85809), (1431, 57206), (2862, 28603)]