71904915

素因数分解:

$3^6\times 5^1\times {\mathrm{19727}}^1$

素因数の和:19750

約数の個数: 28

約数和(自身を含む): 129376224

約数和(自身を除く): 57471309

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 19727, 59181, 98635, 177543, 295905, 532629, 887715, 1597887, 2663145, 4793661, 7989435, 14380983, 23968305, 71904915]

約数ペア:

[(1, 71904915), (3, 23968305), (5, 14380983), (9, 7989435), (15, 4793661), (27, 2663145), (45, 1597887), (81, 887715), (135, 532629), (243, 295905), (405, 177543), (729, 98635), (1215, 59181), (3645, 19727)]