81420165

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 147014400

約数和(自身を除く): 65594235

約数列:

[1, 3, 5, 9, 15, 37, 45, 79, 111, 185, 237, 333, 395, 555, 619, 711, 1185, 1665, 1857, 2923, 3095, 3555, 5571, 8769, 9285, 14615, 22903, 26307, 27855, 43845, 48901, 68709, 114515, 131535, 146703, 206127, 244505, 343545, 440109, 733515, 1030635, 1809337, 2200545, 5428011, 9046685, 16284033, 27140055, 81420165]

約数ペア:

[(1, 81420165), (3, 27140055), (5, 16284033), (9, 9046685), (15, 5428011), (37, 2200545), (45, 1809337), (79, 1030635), (111, 733515), (185, 440109), (237, 343545), (333, 244505), (395, 206127), (555, 146703), (619, 131535), (711, 114515), (1185, 68709), (1665, 48901), (1857, 43845), (2923, 27855), (3095, 26307), (3555, 22903), (5571, 14615), (8769, 9285)]