388984785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{3863}}^1$

素因数の和:4022

約数の個数: 48

約数和(自身を含む): 729461376

約数和(自身を除く): 340476591

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 137, 147, 245, 411, 685, 735, 959, 2055, 2877, 3863, 4795, 6713, 11589, 14385, 19315, 20139, 27041, 33565, 57945, 81123, 100695, 135205, 189287, 405615, 529231, 567861, 946435, 1587693, 2646155, 2839305, 3704617, 7938465, 11113851, 18523085, 25932319, 55569255, 77796957, 129661595, 388984785]

約数ペア:

[(1, 388984785), (3, 129661595), (5, 77796957), (7, 55569255), (15, 25932319), (21, 18523085), (35, 11113851), (49, 7938465), (105, 3704617), (137, 2839305), (147, 2646155), (245, 1587693), (411, 946435), (685, 567861), (735, 529231), (959, 405615), (2055, 189287), (2877, 135205), (3863, 100695), (4795, 81123), (6713, 57945), (11589, 33565), (14385, 27041), (19315, 20139)]