128634345

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4391}}^1$

素因数の和:4443

約数の個数: 64

約数和(自身を含む): 269844480

約数和(自身を除く): 141210135

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 651, 837, 945, 1085, 1395, 1953, 3255, 4185, 4391, 5859, 9765, 13173, 21955, 29295, 30737, 39519, 65865, 92211, 118557, 136121, 153685, 197595, 276633, 408363, 461055, 592785, 680605, 829899, 952847, 1225089, 1383165, 2041815, 2858541, 3675267, 4149495, 4764235, 6125445, 8575623, 14292705, 18376335, 25726869, 42878115, 128634345]

約数ペア:

[(1, 128634345), (3, 42878115), (5, 25726869), (7, 18376335), (9, 14292705), (15, 8575623), (21, 6125445), (27, 4764235), (31, 4149495), (35, 3675267), (45, 2858541), (63, 2041815), (93, 1383165), (105, 1225089), (135, 952847), (155, 829899), (189, 680605), (217, 592785), (279, 461055), (315, 408363), (465, 276633), (651, 197595), (837, 153685), (945, 136121), (1085, 118557), (1395, 92211), (1953, 65865), (3255, 39519), (4185, 30737), (4391, 29295), (5859, 21955), (9765, 13173)]