128479905

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20249}}^1$

素因数の和:20310

約数の個数: 32

約数和(自身を含む): 233280000

約数和(自身を除く): 104800095

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 20249, 60747, 101245, 182241, 303735, 546723, 911205, 951703, 2733615, 2855109, 4758515, 8565327, 14275545, 25695981, 42826635, 128479905]

約数ペア:

[(1, 128479905), (3, 42826635), (5, 25695981), (9, 14275545), (15, 8565327), (27, 4758515), (45, 2855109), (47, 2733615), (135, 951703), (141, 911205), (235, 546723), (423, 303735), (705, 182241), (1269, 101245), (2115, 60747), (6345, 20249)]