287806617

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2609}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 508135680

約数和(自身を除く): 220329063

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 103, 119, 153, 309, 357, 721, 927, 1071, 1751, 2163, 2609, 5253, 6489, 7827, 12257, 15759, 18263, 23481, 36771, 44353, 54789, 110313, 133059, 164367, 268727, 310471, 399177, 806181, 931413, 1881089, 2418543, 2794239, 4568359, 5643267, 13705077, 16929801, 31978513, 41115231, 95935539, 287806617]

約数ペア:

[(1, 287806617), (3, 95935539), (7, 41115231), (9, 31978513), (17, 16929801), (21, 13705077), (51, 5643267), (63, 4568359), (103, 2794239), (119, 2418543), (153, 1881089), (309, 931413), (357, 806181), (721, 399177), (927, 310471), (1071, 268727), (1751, 164367), (2163, 133059), (2609, 110313), (5253, 54789), (6489, 44353), (7827, 36771), (12257, 23481), (15759, 18263)]