17320863

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 28892160

約数和(自身を除く): 11571297

約数列:

[1, 3, 7, 21, 23, 47, 49, 69, 109, 141, 147, 161, 327, 329, 483, 763, 987, 1081, 1127, 2289, 2303, 2507, 3243, 3381, 5123, 5341, 6909, 7521, 7567, 15369, 16023, 17549, 22701, 35861, 52647, 52969, 107583, 117829, 122843, 158907, 251027, 353487, 368529, 753081, 824803, 2474409, 5773621, 17320863]

約数ペア:

[(1, 17320863), (3, 5773621), (7, 2474409), (21, 824803), (23, 753081), (47, 368529), (49, 353487), (69, 251027), (109, 158907), (141, 122843), (147, 117829), (161, 107583), (327, 52969), (329, 52647), (483, 35861), (763, 22701), (987, 17549), (1081, 16023), (1127, 15369), (2289, 7567), (2303, 7521), (2507, 6909), (3243, 5341), (3381, 5123)]