231347985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 434294784

約数和(自身を除く): 202946799

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 67, 85, 165, 187, 201, 255, 335, 561, 737, 935, 1005, 1139, 1231, 2211, 2805, 3417, 3685, 3693, 5695, 6155, 11055, 12529, 13541, 17085, 18465, 20927, 37587, 40623, 62645, 62781, 67705, 82477, 104635, 187935, 203115, 230197, 247431, 313905, 412385, 690591, 907247, 1150985, 1237155, 1402109, 2721741, 3452955, 4206327, 4536235, 7010545, 13608705, 15423199, 21031635, 46269597, 77115995, 231347985]

約数ペア:

[(1, 231347985), (3, 77115995), (5, 46269597), (11, 21031635), (15, 15423199), (17, 13608705), (33, 7010545), (51, 4536235), (55, 4206327), (67, 3452955), (85, 2721741), (165, 1402109), (187, 1237155), (201, 1150985), (255, 907247), (335, 690591), (561, 412385), (737, 313905), (935, 247431), (1005, 230197), (1139, 203115), (1231, 187935), (2211, 104635), (2805, 82477), (3417, 67705), (3685, 62781), (3693, 62645), (5695, 40623), (6155, 37587), (11055, 20927), (12529, 18465), (13541, 17085)]