253342713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7951}}^1$

素因数の和:8029

約数の個数: 32

約数和(自身を含む): 391874560

約数和(自身を除く): 138531847

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 741, 817, 1677, 2451, 7951, 10621, 23853, 31863, 103363, 151069, 310089, 341893, 453207, 1025679, 1963897, 4444609, 5891691, 6495967, 13333827, 19487901, 84447571, 253342713]

約数ペア:

[(1, 253342713), (3, 84447571), (13, 19487901), (19, 13333827), (39, 6495967), (43, 5891691), (57, 4444609), (129, 1963897), (247, 1025679), (559, 453207), (741, 341893), (817, 310089), (1677, 151069), (2451, 103363), (7951, 31863), (10621, 23853)]