28961757

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 48859200

約数和(自身を除く): 19897443

約数列:

[1, 3, 9, 11, 19, 33, 57, 89, 99, 171, 173, 209, 267, 519, 627, 801, 979, 1557, 1691, 1881, 1903, 2937, 3287, 5073, 5709, 8811, 9861, 15219, 15397, 17127, 18601, 29583, 36157, 46191, 55803, 108471, 138573, 167409, 169367, 292543, 325413, 508101, 877629, 1524303, 2632887, 3217973, 9653919, 28961757]

約数ペア:

[(1, 28961757), (3, 9653919), (9, 3217973), (11, 2632887), (19, 1524303), (33, 877629), (57, 508101), (89, 325413), (99, 292543), (171, 169367), (173, 167409), (209, 138573), (267, 108471), (519, 55803), (627, 46191), (801, 36157), (979, 29583), (1557, 18601), (1691, 17127), (1881, 15397), (1903, 15219), (2937, 9861), (3287, 8811), (5073, 5709)]