208522815

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{12401}}^1$

素因数の和:12487

約数の個数: 32

約数和(自身を含む): 357177600

約数和(自身を除く): 148654785

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 3363, 5605, 12401, 16815, 37203, 62005, 186015, 235619, 706857, 731659, 1178095, 2194977, 3534285, 3658295, 10974885, 13901521, 41704563, 69507605, 208522815]

約数ペア:

[(1, 208522815), (3, 69507605), (5, 41704563), (15, 13901521), (19, 10974885), (57, 3658295), (59, 3534285), (95, 2194977), (177, 1178095), (285, 731659), (295, 706857), (885, 235619), (1121, 186015), (3363, 62005), (5605, 37203), (12401, 16815)]