56401665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 99335808

約数和(自身を除く): 42934143

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 263, 435, 493, 789, 841, 1315, 1479, 2465, 2523, 3945, 4205, 4471, 7395, 7627, 12615, 13413, 14297, 22355, 22881, 38135, 42891, 67065, 71485, 114405, 129659, 214455, 221183, 388977, 648295, 663549, 1105915, 1944885, 3317745, 3760111, 11280333, 18800555, 56401665]

約数ペア:

[(1, 56401665), (3, 18800555), (5, 11280333), (15, 3760111), (17, 3317745), (29, 1944885), (51, 1105915), (85, 663549), (87, 648295), (145, 388977), (255, 221183), (263, 214455), (435, 129659), (493, 114405), (789, 71485), (841, 67065), (1315, 42891), (1479, 38135), (2465, 22881), (2523, 22355), (3945, 14297), (4205, 13413), (4471, 12615), (7395, 7627)]