42728715

素因数分解:

$3^4\times 5^1\times {\mathrm{105503}}^1$

素因数の和:105520

約数の個数: 20

約数和(自身を含む): 76595904

約数和(自身を除く): 33867189

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 105503, 316509, 527515, 949527, 1582545, 2848581, 4747635, 8545743, 14242905, 42728715]

約数ペア:

[(1, 42728715), (3, 14242905), (5, 8545743), (9, 4747635), (15, 2848581), (27, 1582545), (45, 949527), (81, 527515), (135, 316509), (405, 105503)]