180492039

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1709

約数の個数: 72

約数和(自身を含む): 344001840

約数和(自身を除く): 163509801

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 147, 171, 247, 273, 399, 441, 637, 741, 819, 931, 1197, 1657, 1729, 1911, 2223, 2793, 4971, 5187, 5733, 8379, 11599, 12103, 14913, 15561, 21541, 31483, 34797, 36309, 64623, 81193, 94449, 104391, 108927, 150787, 193869, 220381, 243579, 283347, 409279, 452361, 661143, 730737, 1055509, 1227837, 1357083, 1542667, 1983429, 2864953, 3166527, 3683511, 4628001, 8594859, 9499581, 13884003, 20054671, 25784577, 60164013, 180492039]

約数ペア:

[(1, 180492039), (3, 60164013), (7, 25784577), (9, 20054671), (13, 13884003), (19, 9499581), (21, 8594859), (39, 4628001), (49, 3683511), (57, 3166527), (63, 2864953), (91, 1983429), (117, 1542667), (133, 1357083), (147, 1227837), (171, 1055509), (247, 730737), (273, 661143), (399, 452361), (441, 409279), (637, 283347), (741, 243579), (819, 220381), (931, 193869), (1197, 150787), (1657, 108927), (1729, 104391), (1911, 94449), (2223, 81193), (2793, 64623), (4971, 36309), (5187, 34797), (5733, 31483), (8379, 21541), (11599, 15561), (12103, 14913)]