13647123

素因数分解:

$3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 23901696

約数和(自身を除く): 10254573

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 113, 189, 213, 243, 339, 497, 567, 639, 791, 1017, 1491, 1701, 1917, 2373, 3051, 4473, 5751, 7119, 8023, 9153, 13419, 17253, 21357, 24069, 27459, 40257, 56161, 64071, 72207, 120771, 168483, 192213, 216621, 505449, 649863, 1516347, 1949589, 4549041, 13647123]

約数ペア:

[(1, 13647123), (3, 4549041), (7, 1949589), (9, 1516347), (21, 649863), (27, 505449), (63, 216621), (71, 192213), (81, 168483), (113, 120771), (189, 72207), (213, 64071), (243, 56161), (339, 40257), (497, 27459), (567, 24069), (639, 21357), (791, 17253), (1017, 13419), (1491, 9153), (1701, 8023), (1917, 7119), (2373, 5751), (3051, 4473)]