210909895

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{6703}}^1$

素因数の和:6775

約数の個数: 32

約数和(自身を含む): 308920320

約数和(自身を除く): 98010425

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 899, 1015, 1085, 4495, 6293, 6703, 31465, 33515, 46921, 194387, 207793, 234605, 971935, 1038965, 1360709, 1454551, 6025997, 6803545, 7272755, 30129985, 42181979, 210909895]

約数ペア:

[(1, 210909895), (5, 42181979), (7, 30129985), (29, 7272755), (31, 6803545), (35, 6025997), (145, 1454551), (155, 1360709), (203, 1038965), (217, 971935), (899, 234605), (1015, 207793), (1085, 194387), (4495, 46921), (6293, 33515), (6703, 31465)]