28810215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:773

約数の個数: 64

約数和(自身を含む): 59980800

約数和(自身を除く): 31170585

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 105, 129, 135, 189, 215, 301, 315, 387, 645, 709, 903, 945, 1161, 1505, 1935, 2127, 2709, 3545, 4515, 4963, 5805, 6381, 8127, 10635, 13545, 14889, 19143, 24815, 30487, 31905, 40635, 44667, 74445, 91461, 95715, 134001, 152435, 213409, 223335, 274383, 457305, 640227, 670005, 823149, 1067045, 1371915, 1920681, 3201135, 4115745, 5762043, 9603405, 28810215]

約数ペア:

[(1, 28810215), (3, 9603405), (5, 5762043), (7, 4115745), (9, 3201135), (15, 1920681), (21, 1371915), (27, 1067045), (35, 823149), (43, 670005), (45, 640227), (63, 457305), (105, 274383), (129, 223335), (135, 213409), (189, 152435), (215, 134001), (301, 95715), (315, 91461), (387, 74445), (645, 44667), (709, 40635), (903, 31905), (945, 30487), (1161, 24815), (1505, 19143), (1935, 14889), (2127, 13545), (2709, 10635), (3545, 8127), (4515, 6381), (4963, 5805)]