31694985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 63198720

約数和(自身を除く): 31503735

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 239, 315, 421, 717, 1195, 1263, 1673, 2105, 2151, 2947, 3585, 3789, 5019, 6315, 8365, 8841, 10755, 14735, 15057, 18945, 25095, 26523, 44205, 75285, 100619, 132615, 301857, 503095, 704333, 905571, 1509285, 2112999, 3521665, 4527855, 6338997, 10564995, 31694985]

約数ペア:

[(1, 31694985), (3, 10564995), (5, 6338997), (7, 4527855), (9, 3521665), (15, 2112999), (21, 1509285), (35, 905571), (45, 704333), (63, 503095), (105, 301857), (239, 132615), (315, 100619), (421, 75285), (717, 44205), (1195, 26523), (1263, 25095), (1673, 18945), (2105, 15057), (2151, 14735), (2947, 10755), (3585, 8841), (3789, 8365), (5019, 6315)]