208093005

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{16001}}^1$

素因数の和:16046

約数の個数: 36

約数和(自身を含む): 383183892

約数和(自身を除く): 175090887

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2601, 4335, 13005, 16001, 48003, 80005, 144009, 240015, 272017, 720045, 816051, 1360085, 2448153, 4080255, 4624289, 12240765, 13872867, 23121445, 41618601, 69364335, 208093005]

約数ペア:

[(1, 208093005), (3, 69364335), (5, 41618601), (9, 23121445), (15, 13872867), (17, 12240765), (45, 4624289), (51, 4080255), (85, 2448153), (153, 1360085), (255, 816051), (289, 720045), (765, 272017), (867, 240015), (1445, 144009), (2601, 80005), (4335, 48003), (13005, 16001)]