26981997

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 43469568

約数和(自身を除く): 16487571

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 191, 217, 573, 651, 961, 1337, 1519, 2883, 4011, 4557, 5921, 6727, 9359, 17763, 20181, 28077, 41447, 47089, 124341, 141267, 183551, 290129, 550653, 870387, 1284857, 3854571, 8993999, 26981997]

約数ペア:

[(1, 26981997), (3, 8993999), (7, 3854571), (21, 1284857), (31, 870387), (49, 550653), (93, 290129), (147, 183551), (191, 141267), (217, 124341), (573, 47089), (651, 41447), (961, 28077), (1337, 20181), (1519, 17763), (2883, 9359), (4011, 6727), (4557, 5921)]