20161827075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{46679}}^1$

素因数の和:47148

約数の個数: 48

約数和(自身を含む): 35980197120

約数和(自身を除く): 15818370045

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 443, 975, 1329, 2215, 5759, 6645, 11075, 17277, 28795, 33225, 46679, 86385, 140037, 143975, 233395, 431925, 606827, 700185, 1166975, 1820481, 3034135, 3500925, 9102405, 15170675, 20678797, 45512025, 62036391, 103393985, 268824361, 310181955, 516969925, 806473083, 1344121805, 1550909775, 4032365415, 6720609025, 20161827075]

約数ペア:

[(1, 20161827075), (3, 6720609025), (5, 4032365415), (13, 1550909775), (15, 1344121805), (25, 806473083), (39, 516969925), (65, 310181955), (75, 268824361), (195, 103393985), (325, 62036391), (443, 45512025), (975, 20678797), (1329, 15170675), (2215, 9102405), (5759, 3500925), (6645, 3034135), (11075, 1820481), (17277, 1166975), (28795, 700185), (33225, 606827), (46679, 431925), (86385, 233395), (140037, 143975)]