17972655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{70481}}^1$

素因数の和:70506

約数の個数: 16

約数和(自身を含む): 30448224

約数和(自身を除く): 12475569

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 70481, 211443, 352405, 1057215, 1198177, 3594531, 5990885, 17972655]

約数ペア:

[(1, 17972655), (3, 5990885), (5, 3594531), (15, 1198177), (17, 1057215), (51, 352405), (85, 211443), (255, 70481)]