72018315

素因数分解:

$3^4\times 5^1\times {\mathrm{177823}}^1$

素因数の和:177840

約数の個数: 20

約数和(自身を含む): 129100224

約数和(自身を除く): 57081909

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 177823, 533469, 889115, 1600407, 2667345, 4801221, 8002035, 14403663, 24006105, 72018315]

約数ペア:

[(1, 72018315), (3, 24006105), (5, 14403663), (9, 8002035), (15, 4801221), (27, 2667345), (45, 1600407), (81, 889115), (135, 533469), (405, 177823)]