42821961

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{691}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 70683648

約数和(自身を除く): 27861687

約数列:

[1, 3, 7, 13, 21, 39, 91, 227, 273, 681, 691, 1589, 2073, 2951, 4767, 4837, 8853, 8983, 14511, 20657, 26949, 61971, 62881, 156857, 188643, 470571, 1097999, 2039141, 3293997, 6117423, 14273987, 42821961]

約数ペア:

[(1, 42821961), (3, 14273987), (7, 6117423), (13, 3293997), (21, 2039141), (39, 1097999), (91, 470571), (227, 188643), (273, 156857), (681, 62881), (691, 61971), (1589, 26949), (2073, 20657), (2951, 14511), (4767, 8983), (4837, 8853)]