55779885

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 115400376

約数和(自身を除く): 59620491

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 63, 105, 123, 147, 205, 245, 287, 315, 369, 441, 615, 617, 735, 861, 1435, 1845, 1851, 2009, 2205, 2583, 3085, 4305, 4319, 5553, 6027, 9255, 10045, 12915, 12957, 18081, 21595, 25297, 27765, 30135, 30233, 38871, 64785, 75891, 90405, 90699, 126485, 151165, 177079, 194355, 227673, 272097, 379455, 453495, 531237, 885395, 1138365, 1239553, 1360485, 1593711, 2656185, 3718659, 6197765, 7968555, 11155977, 18593295, 55779885]

約数ペア:

[(1, 55779885), (3, 18593295), (5, 11155977), (7, 7968555), (9, 6197765), (15, 3718659), (21, 2656185), (35, 1593711), (41, 1360485), (45, 1239553), (49, 1138365), (63, 885395), (105, 531237), (123, 453495), (147, 379455), (205, 272097), (245, 227673), (287, 194355), (315, 177079), (369, 151165), (441, 126485), (615, 90699), (617, 90405), (735, 75891), (861, 64785), (1435, 38871), (1845, 30233), (1851, 30135), (2009, 27765), (2205, 25297), (2583, 21595), (3085, 18081), (4305, 12957), (4319, 12915), (5553, 10045), (6027, 9255)]