201553995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2689}}^1$

素因数の和:2979

約数の個数: 32

約数和(自身を含む): 340876800

約数和(自身を除く): 139322805

約数列:

[1, 3, 5, 15, 19, 57, 95, 263, 285, 789, 1315, 2689, 3945, 4997, 8067, 13445, 14991, 24985, 40335, 51091, 74955, 153273, 255455, 707207, 766365, 2121621, 3536035, 10608105, 13436933, 40310799, 67184665, 201553995]

約数ペア:

[(1, 201553995), (3, 67184665), (5, 40310799), (15, 13436933), (19, 10608105), (57, 3536035), (95, 2121621), (263, 766365), (285, 707207), (789, 255455), (1315, 153273), (2689, 74955), (3945, 51091), (4997, 40335), (8067, 24985), (13445, 14991)]