258303915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2423}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 471923712

約数和(自身を除く): 213619797

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 103, 115, 207, 309, 345, 515, 927, 1035, 1545, 2369, 2423, 4635, 7107, 7269, 11845, 12115, 21321, 21807, 35535, 36345, 55729, 106605, 109035, 167187, 249569, 278645, 501561, 748707, 835935, 1247845, 2246121, 2507805, 3743535, 5740087, 11230605, 17220261, 28700435, 51660783, 86101305, 258303915]

約数ペア:

[(1, 258303915), (3, 86101305), (5, 51660783), (9, 28700435), (15, 17220261), (23, 11230605), (45, 5740087), (69, 3743535), (103, 2507805), (115, 2246121), (207, 1247845), (309, 835935), (345, 748707), (515, 501561), (927, 278645), (1035, 249569), (1545, 167187), (2369, 109035), (2423, 106605), (4635, 55729), (7107, 36345), (7269, 35535), (11845, 21807), (12115, 21321)]