287807751

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13397}}^1$

素因数の和:13452

約数の個数: 48

約数和(自身を含む): 535062528

約数和(自身を除く): 247254777

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1953, 2387, 3069, 7161, 13397, 21483, 40191, 93779, 120573, 147367, 281337, 415307, 442101, 844011, 1031569, 1245921, 1326303, 2907149, 3094707, 3737763, 4568377, 8721447, 9284121, 13705131, 26164341, 31978639, 41115393, 95935917, 287807751]

約数ペア:

[(1, 287807751), (3, 95935917), (7, 41115393), (9, 31978639), (11, 26164341), (21, 13705131), (31, 9284121), (33, 8721447), (63, 4568377), (77, 3737763), (93, 3094707), (99, 2907149), (217, 1326303), (231, 1245921), (279, 1031569), (341, 844011), (651, 442101), (693, 415307), (1023, 281337), (1953, 147367), (2387, 120573), (3069, 93779), (7161, 40191), (13397, 21483)]