16918281

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 12112119

約数列:

[1, 3, 9, 17, 27, 29, 31, 41, 51, 87, 93, 123, 153, 261, 279, 369, 459, 493, 527, 697, 783, 837, 899, 1107, 1189, 1271, 1479, 1581, 2091, 2697, 3567, 3813, 4437, 4743, 6273, 8091, 10701, 11439, 13311, 14229, 15283, 18819, 20213, 21607, 24273, 32103, 34317, 36859, 45849, 60639, 64821, 110577, 137547, 181917, 194463, 331731, 412641, 545751, 583389, 626603, 995193, 1879809, 5639427, 16918281]

約数ペア:

[(1, 16918281), (3, 5639427), (9, 1879809), (17, 995193), (27, 626603), (29, 583389), (31, 545751), (41, 412641), (51, 331731), (87, 194463), (93, 181917), (123, 137547), (153, 110577), (261, 64821), (279, 60639), (369, 45849), (459, 36859), (493, 34317), (527, 32103), (697, 24273), (783, 21607), (837, 20213), (899, 18819), (1107, 15283), (1189, 14229), (1271, 13311), (1479, 11439), (1581, 10701), (2091, 8091), (2697, 6273), (3567, 4743), (3813, 4437)]