121515786

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:776

約数の個数: 72

約数和(自身を含む): 307947744

約数和(自身を除く): 186431958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 311, 441, 443, 622, 882, 886, 933, 1329, 1866, 2177, 2658, 2799, 3101, 3987, 4354, 5598, 6202, 6531, 7974, 9303, 13062, 15239, 18606, 19593, 21707, 27909, 30478, 39186, 43414, 45717, 55818, 65121, 91434, 130242, 137151, 137773, 195363, 274302, 275546, 390726, 413319, 826638, 964411, 1239957, 1928822, 2479914, 2893233, 5786466, 6750877, 8679699, 13501754, 17359398, 20252631, 40505262, 60757893, 121515786]

約数ペア:

[(1, 121515786), (2, 60757893), (3, 40505262), (6, 20252631), (7, 17359398), (9, 13501754), (14, 8679699), (18, 6750877), (21, 5786466), (42, 2893233), (49, 2479914), (63, 1928822), (98, 1239957), (126, 964411), (147, 826638), (294, 413319), (311, 390726), (441, 275546), (443, 274302), (622, 195363), (882, 137773), (886, 137151), (933, 130242), (1329, 91434), (1866, 65121), (2177, 55818), (2658, 45717), (2799, 43414), (3101, 39186), (3987, 30478), (4354, 27909), (5598, 21707), (6202, 19593), (6531, 18606), (7974, 15239), (9303, 13062)]