420134517

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{557}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 699865920

約数和(自身を除く): 279731403

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 401, 557, 627, 1203, 1671, 1881, 3609, 4411, 5013, 6127, 7619, 10583, 13233, 18381, 22857, 31749, 39699, 55143, 68571, 83809, 95247, 116413, 223357, 251427, 349239, 670071, 754281, 1047717, 2010213, 2456927, 4243783, 7370781, 12731349, 22112343, 38194047, 46681613, 140044839, 420134517]

約数ペア:

[(1, 420134517), (3, 140044839), (9, 46681613), (11, 38194047), (19, 22112343), (33, 12731349), (57, 7370781), (99, 4243783), (171, 2456927), (209, 2010213), (401, 1047717), (557, 754281), (627, 670071), (1203, 349239), (1671, 251427), (1881, 223357), (3609, 116413), (4411, 95247), (5013, 83809), (6127, 68571), (7619, 55143), (10583, 39699), (13233, 31749), (18381, 22857)]