645363927

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{66457}}^1$

素因数の和:66559

約数の個数: 24

約数和(自身を含む): 1016009904

約数和(自身を除く): 370645977

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3237, 9711, 66457, 199371, 598113, 863941, 2591823, 5515931, 7775469, 16547793, 49643379, 71707103, 215121309, 645363927]

約数ペア:

[(1, 645363927), (3, 215121309), (9, 71707103), (13, 49643379), (39, 16547793), (83, 7775469), (117, 5515931), (249, 2591823), (747, 863941), (1079, 598113), (3237, 199371), (9711, 66457)]