220149495

素因数分解:

$3^5\times 5^1\times {\mathrm{181193}}^1$

素因数の和:181213

約数の個数: 24

約数和(自身を含む): 395727696

約数和(自身を除く): 175578201

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 181193, 543579, 905965, 1630737, 2717895, 4892211, 8153685, 14676633, 24461055, 44029899, 73383165, 220149495]

約数ペア:

[(1, 220149495), (3, 73383165), (5, 44029899), (9, 24461055), (15, 14676633), (27, 8153685), (45, 4892211), (81, 2717895), (135, 1630737), (243, 905965), (405, 543579), (1215, 181193)]