28011159

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 46335744

約数和(自身を除く): 18324585

約数列:

[1, 3, 9, 11, 33, 41, 67, 99, 103, 123, 201, 309, 369, 451, 603, 737, 927, 1133, 1353, 2211, 2747, 3399, 4059, 4223, 6633, 6901, 8241, 10197, 12669, 20703, 24723, 30217, 38007, 46453, 62109, 75911, 90651, 139359, 227733, 271953, 282941, 418077, 683199, 848823, 2546469, 3112351, 9337053, 28011159]

約数ペア:

[(1, 28011159), (3, 9337053), (9, 3112351), (11, 2546469), (33, 848823), (41, 683199), (67, 418077), (99, 282941), (103, 271953), (123, 227733), (201, 139359), (309, 90651), (369, 75911), (451, 62109), (603, 46453), (737, 38007), (927, 30217), (1133, 24723), (1353, 20703), (2211, 12669), (2747, 10197), (3399, 8241), (4059, 6901), (4223, 6633)]