223823145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163973}}^1$

素因数の和:164001

約数の個数: 32

約数和(自身を含む): 440762112

約数和(自身を除く): 216938967

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 163973, 491919, 819865, 1147811, 2131649, 2459595, 3443433, 5739055, 6394947, 10658245, 14921543, 17217165, 31974735, 44764629, 74607715, 223823145]

約数ペア:

[(1, 223823145), (3, 74607715), (5, 44764629), (7, 31974735), (13, 17217165), (15, 14921543), (21, 10658245), (35, 6394947), (39, 5739055), (65, 3443433), (91, 2459595), (105, 2131649), (195, 1147811), (273, 819865), (455, 491919), (1365, 163973)]