172303755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{51977}}^1$

素因数の和:52015

約数の個数: 32

約数和(自身を含む): 314362944

約数和(自身を除く): 142059189

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 51977, 155931, 259885, 675701, 779655, 883609, 2027103, 2650827, 3378505, 4418045, 10135515, 11486917, 13254135, 34460751, 57434585, 172303755]

約数ペア:

[(1, 172303755), (3, 57434585), (5, 34460751), (13, 13254135), (15, 11486917), (17, 10135515), (39, 4418045), (51, 3378505), (65, 2650827), (85, 2027103), (195, 883609), (221, 779655), (255, 675701), (663, 259885), (1105, 155931), (3315, 51977)]