223847379

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4349}}^1$

素因数の和:4424

約数の個数: 48

約数和(自身を含む): 398112000

約数和(自身を除く): 174264621

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 301, 387, 399, 817, 903, 1197, 2451, 2709, 4349, 5719, 7353, 13047, 17157, 30443, 39141, 51471, 82631, 91329, 187007, 247893, 273987, 561021, 578417, 743679, 1309049, 1683063, 1735251, 3553133, 3927147, 5205753, 10659399, 11781441, 24871931, 31978197, 74615793, 223847379]

約数ペア:

[(1, 223847379), (3, 74615793), (7, 31978197), (9, 24871931), (19, 11781441), (21, 10659399), (43, 5205753), (57, 3927147), (63, 3553133), (129, 1735251), (133, 1683063), (171, 1309049), (301, 743679), (387, 578417), (399, 561021), (817, 273987), (903, 247893), (1197, 187007), (2451, 91329), (2709, 82631), (4349, 51471), (5719, 39141), (7353, 30443), (13047, 17157)]