208021485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{14461}}^1$

素因数の和:14613

約数の個数: 32

約数和(自身を含む): 383185152

約数和(自身を除く): 175163667

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 2055, 2877, 4795, 14385, 14461, 43383, 72305, 101227, 216915, 303681, 506135, 1518405, 1981157, 5943471, 9905785, 13868099, 29717355, 41604297, 69340495, 208021485]

約数ペア:

[(1, 208021485), (3, 69340495), (5, 41604297), (7, 29717355), (15, 13868099), (21, 9905785), (35, 5943471), (105, 1981157), (137, 1518405), (411, 506135), (685, 303681), (959, 216915), (2055, 101227), (2877, 72305), (4795, 43383), (14385, 14461)]