644052753

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{983}}^1\times {\mathrm{1693}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 953464512

約数和(自身を除く): 309411759

約数列:

[1, 3, 9, 43, 129, 387, 983, 1693, 2949, 5079, 8847, 15237, 42269, 72799, 126807, 218397, 380421, 655191, 1664219, 4992657, 14977971, 71561417, 214684251, 644052753]

約数ペア:

[(1, 644052753), (3, 214684251), (9, 71561417), (43, 14977971), (129, 4992657), (387, 1664219), (983, 655191), (1693, 380421), (2949, 218397), (5079, 126807), (8847, 72799), (15237, 42269)]