201399775

素因数分解:

$5^2\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{277}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 253713920

約数和(自身を除く): 52314145

約数列:

[1, 5, 25, 127, 229, 277, 635, 1145, 1385, 3175, 5725, 6925, 29083, 35179, 63433, 145415, 175895, 317165, 727075, 879475, 1585825, 8055991, 40279955, 201399775]

約数ペア:

[(1, 201399775), (5, 40279955), (25, 8055991), (127, 1585825), (229, 879475), (277, 727075), (635, 317165), (1145, 175895), (1385, 145415), (3175, 63433), (5725, 35179), (6925, 29083)]