28445403

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 47548160

約数和(自身を除く): 19102757

約数列:

[1, 3, 7, 17, 21, 43, 51, 109, 119, 129, 289, 301, 327, 357, 731, 763, 867, 903, 1853, 2023, 2193, 2289, 4687, 5117, 5559, 6069, 12427, 12971, 14061, 15351, 31501, 32809, 37281, 38913, 79679, 86989, 94503, 98427, 220507, 239037, 260967, 557753, 661521, 1354543, 1673259, 4063629, 9481801, 28445403]

約数ペア:

[(1, 28445403), (3, 9481801), (7, 4063629), (17, 1673259), (21, 1354543), (43, 661521), (51, 557753), (109, 260967), (119, 239037), (129, 220507), (289, 98427), (301, 94503), (327, 86989), (357, 79679), (731, 38913), (763, 37281), (867, 32809), (903, 31501), (1853, 15351), (2023, 14061), (2193, 12971), (2289, 12427), (4687, 6069), (5117, 5559)]