28973385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 62300160

約数和(自身を除く): 33326775

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 47, 57, 63, 95, 103, 105, 133, 141, 171, 235, 285, 309, 315, 329, 399, 423, 515, 665, 705, 721, 855, 893, 927, 987, 1197, 1545, 1645, 1957, 1995, 2115, 2163, 2679, 2961, 3605, 4465, 4635, 4841, 4935, 5871, 5985, 6251, 6489, 8037, 9785, 10815, 13395, 13699, 14523, 14805, 17613, 18753, 24205, 29355, 31255, 32445, 33887, 40185, 41097, 43569, 56259, 68495, 72615, 88065, 91979, 93765, 101661, 123291, 169435, 205485, 217845, 275937, 281295, 304983, 459895, 508305, 616455, 643853, 827811, 1379685, 1524915, 1931559, 3219265, 4139055, 5794677, 9657795, 28973385]

約数ペア:

[(1, 28973385), (3, 9657795), (5, 5794677), (7, 4139055), (9, 3219265), (15, 1931559), (19, 1524915), (21, 1379685), (35, 827811), (45, 643853), (47, 616455), (57, 508305), (63, 459895), (95, 304983), (103, 281295), (105, 275937), (133, 217845), (141, 205485), (171, 169435), (235, 123291), (285, 101661), (309, 93765), (315, 91979), (329, 88065), (399, 72615), (423, 68495), (515, 56259), (665, 43569), (705, 41097), (721, 40185), (855, 33887), (893, 32445), (927, 31255), (987, 29355), (1197, 24205), (1545, 18753), (1645, 17613), (1957, 14805), (1995, 14523), (2115, 13699), (2163, 13395), (2679, 10815), (2961, 9785), (3605, 8037), (4465, 6489), (4635, 6251), (4841, 5985), (4935, 5871)]