287764185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{4391}}^1$

素因数の和:4673

約数の個数: 32

約数和(自身を含む): 489514752

約数和(自身を除く): 201750567

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 771, 1285, 3855, 4369, 4391, 13107, 13173, 21845, 21955, 65535, 65865, 74647, 223941, 373235, 1119705, 1128487, 3385461, 5642435, 16927305, 19184279, 57552837, 95921395, 287764185]

約数ペア:

[(1, 287764185), (3, 95921395), (5, 57552837), (15, 19184279), (17, 16927305), (51, 5642435), (85, 3385461), (255, 1128487), (257, 1119705), (771, 373235), (1285, 223941), (3855, 74647), (4369, 65865), (4391, 65535), (13107, 21955), (13173, 21845)]