215560395

素因数分解:

$3^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{4903}}^1$

素因数の和:5891

約数の個数: 24

約数和(自身を含む): 374096736

約数和(自身を除く): 158536341

約数列:

[1, 3, 5, 9, 15, 45, 977, 2931, 4885, 4903, 8793, 14655, 14709, 24515, 43965, 44127, 73545, 220635, 4790231, 14370693, 23951155, 43112079, 71853465, 215560395]

約数ペア:

[(1, 215560395), (3, 71853465), (5, 43112079), (9, 23951155), (15, 14370693), (45, 4790231), (977, 220635), (2931, 73545), (4885, 44127), (4903, 43965), (8793, 24515), (14655, 14709)]