2011895955

素因数分解:

$3^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{17977}}^1$

素因数の和:18820

約数の個数: 32

約数和(自身を含む): 3581217600

約数和(自身を除く): 1569321645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 829, 2487, 4145, 7461, 12435, 17977, 22383, 37305, 53931, 89885, 111915, 161793, 269655, 485379, 808965, 2426895, 14902933, 44708799, 74514665, 134126397, 223543995, 402379191, 670631985, 2011895955]

約数ペア:

[(1, 2011895955), (3, 670631985), (5, 402379191), (9, 223543995), (15, 134126397), (27, 74514665), (45, 44708799), (135, 14902933), (829, 2426895), (2487, 808965), (4145, 485379), (7461, 269655), (12435, 161793), (17977, 111915), (22383, 89885), (37305, 53931)]