190861821

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 301055040

約数和(自身を除く): 110193219

約数列:

[1, 3, 9, 19, 43, 57, 101, 129, 171, 257, 303, 387, 771, 817, 909, 1919, 2313, 2451, 4343, 4883, 5757, 7353, 11051, 13029, 14649, 17271, 25957, 33153, 39087, 43947, 77871, 82517, 99459, 209969, 233613, 247551, 493183, 629907, 742653, 1116151, 1479549, 1889721, 3348453, 4438647, 10045359, 21206869, 63620607, 190861821]

約数ペア:

[(1, 190861821), (3, 63620607), (9, 21206869), (19, 10045359), (43, 4438647), (57, 3348453), (101, 1889721), (129, 1479549), (171, 1116151), (257, 742653), (303, 629907), (387, 493183), (771, 247551), (817, 233613), (909, 209969), (1919, 99459), (2313, 82517), (2451, 77871), (4343, 43947), (4883, 39087), (5757, 33153), (7353, 25957), (11051, 17271), (13029, 14649)]