81209865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{853}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 142160256

約数和(自身を除く): 60950391

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 577, 853, 1731, 2559, 2885, 4265, 6347, 8655, 9383, 12795, 19041, 28149, 31735, 46915, 95205, 140745, 492181, 1476543, 2460905, 5413991, 7382715, 16241973, 27069955, 81209865]

約数ペア:

[(1, 81209865), (3, 27069955), (5, 16241973), (11, 7382715), (15, 5413991), (33, 2460905), (55, 1476543), (165, 492181), (577, 140745), (853, 95205), (1731, 46915), (2559, 31735), (2885, 28149), (4265, 19041), (6347, 12795), (8655, 9383)]