28570353

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 17878287

約数列:

[1, 3, 7, 17, 21, 51, 119, 191, 357, 419, 573, 1257, 1337, 2933, 3247, 4011, 7123, 8799, 9741, 21369, 22729, 49861, 68187, 80029, 149583, 240087, 560203, 1360493, 1680609, 4081479, 9523451, 28570353]

約数ペア:

[(1, 28570353), (3, 9523451), (7, 4081479), (17, 1680609), (21, 1360493), (51, 560203), (119, 240087), (191, 149583), (357, 80029), (419, 68187), (573, 49861), (1257, 22729), (1337, 21369), (2933, 9741), (3247, 8799), (4011, 7123)]