156942981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2341}}^1$

素因数の和:2554

約数の個数: 32

約数和(自身を含む): 251811840

約数和(自身を除く): 94868859

約数列:

[1, 3, 9, 13, 27, 39, 117, 191, 351, 573, 1719, 2341, 2483, 5157, 7023, 7449, 21069, 22347, 30433, 63207, 67041, 91299, 273897, 447131, 821691, 1341393, 4024179, 5812703, 12072537, 17438109, 52314327, 156942981]

約数ペア:

[(1, 156942981), (3, 52314327), (9, 17438109), (13, 12072537), (27, 5812703), (39, 4024179), (117, 1341393), (191, 821691), (351, 447131), (573, 273897), (1719, 91299), (2341, 67041), (2483, 63207), (5157, 30433), (7023, 22347), (7449, 21069)]