57123405

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 105805440

約数和(自身を除く): 48682035

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 285, 355, 639, 855, 941, 1065, 1349, 2823, 3195, 4047, 4705, 6745, 8469, 12141, 14115, 17879, 20235, 42345, 53637, 60705, 66811, 89395, 160911, 200433, 268185, 334055, 601299, 804555, 1002165, 1269409, 3006495, 3808227, 6347045, 11424681, 19041135, 57123405]

約数ペア:

[(1, 57123405), (3, 19041135), (5, 11424681), (9, 6347045), (15, 3808227), (19, 3006495), (45, 1269409), (57, 1002165), (71, 804555), (95, 601299), (171, 334055), (213, 268185), (285, 200433), (355, 160911), (639, 89395), (855, 66811), (941, 60705), (1065, 53637), (1349, 42345), (2823, 20235), (3195, 17879), (4047, 14115), (4705, 12141), (6745, 8469)]