289381869

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{49391}}^1$

素因数の和:49438

約数の個数: 32

約数和(自身を含む): 505774080

約数和(自身を除く): 216392211

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 49391, 148173, 345737, 444519, 1037211, 1333557, 1531121, 3111633, 4593363, 9334899, 10717847, 13780089, 32153541, 41340267, 96460623, 289381869]

約数ペア:

[(1, 289381869), (3, 96460623), (7, 41340267), (9, 32153541), (21, 13780089), (27, 10717847), (31, 9334899), (63, 4593363), (93, 3111633), (189, 1531121), (217, 1333557), (279, 1037211), (651, 444519), (837, 345737), (1953, 148173), (5859, 49391)]