28519980153

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{904793}}^1$

素因数の和:904901

約数の個数: 32

約数和(自身を含む): 46325452800

約数和(自身を除く): 17805472647

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 1501, 1659, 4503, 10507, 31521, 904793, 2714379, 6333551, 17191067, 19000653, 51573201, 71478647, 120337469, 214435941, 361012407, 500350529, 1358094293, 1501051587, 4074282879, 9506660051, 28519980153]

約数ペア:

[(1, 28519980153), (3, 9506660051), (7, 4074282879), (19, 1501051587), (21, 1358094293), (57, 500350529), (79, 361012407), (133, 214435941), (237, 120337469), (399, 71478647), (553, 51573201), (1501, 19000653), (1659, 17191067), (4503, 6333551), (10507, 2714379), (31521, 904793)]