81230655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^2$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 146450304

約数和(自身を除く): 65219649

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 107, 129, 165, 215, 321, 473, 535, 645, 1177, 1419, 1605, 2365, 3531, 4601, 5885, 7095, 11449, 13803, 17655, 23005, 34347, 50611, 57245, 69015, 125939, 151833, 171735, 253055, 377817, 492307, 629695, 759165, 1476921, 1889085, 2461535, 5415377, 7384605, 16246131, 27076885, 81230655]

約数ペア:

[(1, 81230655), (3, 27076885), (5, 16246131), (11, 7384605), (15, 5415377), (33, 2461535), (43, 1889085), (55, 1476921), (107, 759165), (129, 629695), (165, 492307), (215, 377817), (321, 253055), (473, 171735), (535, 151833), (645, 125939), (1177, 69015), (1419, 57245), (1605, 50611), (2365, 34347), (3531, 23005), (4601, 17655), (5885, 13803), (7095, 11449)]