206815215

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 335252736

約数和(自身を除く): 128437521

約数列:

[1, 3, 5, 15, 163, 251, 337, 489, 753, 815, 1011, 1255, 1685, 2445, 3765, 5055, 40913, 54931, 84587, 122739, 164793, 204565, 253761, 274655, 422935, 613695, 823965, 1268805, 13787681, 41363043, 68938405, 206815215]

約数ペア:

[(1, 206815215), (3, 68938405), (5, 41363043), (15, 13787681), (163, 1268805), (251, 823965), (337, 613695), (489, 422935), (753, 274655), (815, 253761), (1011, 204565), (1255, 164793), (1685, 122739), (2445, 84587), (3765, 54931), (5055, 40913)]