207835563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1669}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 311234560

約数和(自身を除く): 103398997

約数列:

[1, 3, 13, 31, 39, 93, 103, 309, 403, 1209, 1339, 1669, 3193, 4017, 5007, 9579, 21697, 41509, 51739, 65091, 124527, 155217, 171907, 515721, 672607, 2017821, 2234791, 5329117, 6704373, 15987351, 69278521, 207835563]

約数ペア:

[(1, 207835563), (3, 69278521), (13, 15987351), (31, 6704373), (39, 5329117), (93, 2234791), (103, 2017821), (309, 672607), (403, 515721), (1209, 171907), (1339, 155217), (1669, 124527), (3193, 65091), (4017, 51739), (5007, 41509), (9579, 21697)]