28901565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 65894400

約数和(自身を除く): 36992835

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 33, 35, 45, 55, 57, 63, 77, 95, 99, 105, 133, 165, 171, 209, 231, 285, 315, 385, 399, 439, 495, 627, 665, 693, 855, 1045, 1155, 1197, 1317, 1463, 1881, 1995, 2195, 3073, 3135, 3465, 3951, 4389, 4829, 5985, 6585, 7315, 8341, 9219, 9405, 13167, 14487, 15365, 19755, 21945, 24145, 25023, 27657, 33803, 41705, 43461, 46095, 58387, 65835, 72435, 75069, 91751, 101409, 125115, 138285, 169015, 175161, 217305, 275253, 291935, 304227, 375345, 458755, 507045, 525483, 642257, 825759, 875805, 1376265, 1521135, 1926771, 2627415, 3211285, 4128795, 5780313, 9633855, 28901565]

約数ペア:

[(1, 28901565), (3, 9633855), (5, 5780313), (7, 4128795), (9, 3211285), (11, 2627415), (15, 1926771), (19, 1521135), (21, 1376265), (33, 875805), (35, 825759), (45, 642257), (55, 525483), (57, 507045), (63, 458755), (77, 375345), (95, 304227), (99, 291935), (105, 275253), (133, 217305), (165, 175161), (171, 169015), (209, 138285), (231, 125115), (285, 101409), (315, 91751), (385, 75069), (399, 72435), (439, 65835), (495, 58387), (627, 46095), (665, 43461), (693, 41705), (855, 33803), (1045, 27657), (1155, 25023), (1197, 24145), (1317, 21945), (1463, 19755), (1881, 15365), (1995, 14487), (2195, 13167), (3073, 9405), (3135, 9219), (3465, 8341), (3951, 7315), (4389, 6585), (4829, 5985)]