689968383

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{937}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 1008537600

約数和(自身を除く): 318569217

約数列:

[1, 3, 13, 39, 79, 237, 239, 717, 937, 1027, 2811, 3081, 3107, 9321, 12181, 18881, 36543, 56643, 74023, 222069, 223943, 245453, 671829, 736359, 962299, 2886897, 2911259, 8733777, 17691497, 53074491, 229989461, 689968383]

約数ペア:

[(1, 689968383), (3, 229989461), (13, 53074491), (39, 17691497), (79, 8733777), (237, 2911259), (239, 2886897), (717, 962299), (937, 736359), (1027, 671829), (2811, 245453), (3081, 223943), (3107, 222069), (9321, 74023), (12181, 56643), (18881, 36543)]