28159005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 54706176

約数和(自身を除く): 26547171

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 41, 93, 105, 123, 155, 205, 211, 217, 287, 465, 615, 633, 651, 861, 1055, 1085, 1271, 1435, 1477, 3165, 3255, 3813, 4305, 4431, 6355, 6541, 7385, 8651, 8897, 19065, 19623, 22155, 25953, 26691, 32705, 43255, 44485, 45787, 60557, 98115, 129765, 133455, 137361, 181671, 228935, 268181, 302785, 686805, 804543, 908355, 1340905, 1877267, 4022715, 5631801, 9386335, 28159005]

約数ペア:

[(1, 28159005), (3, 9386335), (5, 5631801), (7, 4022715), (15, 1877267), (21, 1340905), (31, 908355), (35, 804543), (41, 686805), (93, 302785), (105, 268181), (123, 228935), (155, 181671), (205, 137361), (211, 133455), (217, 129765), (287, 98115), (465, 60557), (615, 45787), (633, 44485), (651, 43255), (861, 32705), (1055, 26691), (1085, 25953), (1271, 22155), (1435, 19623), (1477, 19065), (3165, 8897), (3255, 8651), (3813, 7385), (4305, 6541), (4431, 6355)]