28230255

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2647}}^1$

素因数の和:2740

約数の個数: 32

約数和(自身を含む): 50841600

約数和(自身を除く): 22611345

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2133, 2647, 3555, 7941, 10665, 13235, 23823, 39705, 71469, 119115, 209113, 357345, 627339, 1045565, 1882017, 3136695, 5646051, 9410085, 28230255]

約数ペア:

[(1, 28230255), (3, 9410085), (5, 5646051), (9, 3136695), (15, 1882017), (27, 1045565), (45, 627339), (79, 357345), (135, 209113), (237, 119115), (395, 71469), (711, 39705), (1185, 23823), (2133, 13235), (2647, 10665), (3555, 7941)]