1971962265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1444661}}^1$

素因数の和:1444689

約数の個数: 32

約数和(自身を含む): 3883251456

約数和(自身を除く): 1911289191

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1444661, 4333983, 7223305, 10112627, 18780593, 21669915, 30337881, 50563135, 56341779, 93902965, 131464151, 151689405, 281708895, 394392453, 657320755, 1971962265]

約数ペア:

[(1, 1971962265), (3, 657320755), (5, 394392453), (7, 281708895), (13, 151689405), (15, 131464151), (21, 93902965), (35, 56341779), (39, 50563135), (65, 30337881), (91, 21669915), (105, 18780593), (195, 10112627), (273, 7223305), (455, 4333983), (1365, 1444661)]