2787015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 5898240

約数和(自身を除く): 3111225

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 77, 95, 105, 127, 133, 165, 209, 231, 285, 381, 385, 399, 627, 635, 665, 889, 1045, 1155, 1397, 1463, 1905, 1995, 2413, 2667, 3135, 4191, 4389, 4445, 6985, 7239, 7315, 9779, 12065, 13335, 16891, 20955, 21945, 26543, 29337, 36195, 48895, 50673, 79629, 84455, 132715, 146685, 185801, 253365, 398145, 557403, 929005, 2787015]

約数ペア:

[(1, 2787015), (3, 929005), (5, 557403), (7, 398145), (11, 253365), (15, 185801), (19, 146685), (21, 132715), (33, 84455), (35, 79629), (55, 50673), (57, 48895), (77, 36195), (95, 29337), (105, 26543), (127, 21945), (133, 20955), (165, 16891), (209, 13335), (231, 12065), (285, 9779), (381, 7315), (385, 7239), (399, 6985), (627, 4445), (635, 4389), (665, 4191), (889, 3135), (1045, 2667), (1155, 2413), (1397, 1995), (1463, 1905)]