9780459

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 15079680

約数和(自身を除く): 5299221

約数列:

[1, 3, 13, 19, 39, 57, 67, 197, 201, 247, 591, 741, 871, 1273, 2561, 2613, 3743, 3819, 7683, 11229, 13199, 16549, 39597, 48659, 49647, 145977, 171587, 250781, 514761, 752343, 3260153, 9780459]

約数ペア:

[(1, 9780459), (3, 3260153), (13, 752343), (19, 514761), (39, 250781), (57, 171587), (67, 145977), (197, 49647), (201, 48659), (247, 39597), (591, 16549), (741, 13199), (871, 11229), (1273, 7683), (2561, 3819), (2613, 3743)]