28499031

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 48048000

約数和(自身を除く): 19548969

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 109, 139, 171, 209, 327, 417, 627, 981, 1199, 1251, 1529, 1881, 2071, 2641, 3597, 4587, 6213, 7923, 10791, 13761, 15151, 18639, 22781, 23769, 29051, 45453, 68343, 87153, 136359, 166661, 205029, 261459, 287869, 499983, 863607, 1499949, 2590821, 3166559, 9499677, 28499031]

約数ペア:

[(1, 28499031), (3, 9499677), (9, 3166559), (11, 2590821), (19, 1499949), (33, 863607), (57, 499983), (99, 287869), (109, 261459), (139, 205029), (171, 166661), (209, 136359), (327, 87153), (417, 68343), (627, 45453), (981, 29051), (1199, 23769), (1251, 22781), (1529, 18639), (1881, 15151), (2071, 13761), (2641, 10791), (3597, 7923), (4587, 6213)]