201878889

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 292481280

約数和(自身を除く): 90602391

約数列:

[1, 3, 23, 29, 69, 87, 233, 433, 667, 699, 1299, 2001, 5359, 6757, 9959, 12557, 16077, 20271, 29877, 37671, 100889, 155411, 288811, 302667, 466233, 866433, 2320447, 2925781, 6961341, 8777343, 67292963, 201878889]

約数ペア:

[(1, 201878889), (3, 67292963), (23, 8777343), (29, 6961341), (69, 2925781), (87, 2320447), (233, 866433), (433, 466233), (667, 302667), (699, 288811), (1299, 155411), (2001, 100889), (5359, 37671), (6757, 29877), (9959, 20271), (12557, 16077)]