207817911

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3181}}^1$

素因数の和:3272

約数の個数: 48

約数和(自身を含む): 369315648

約数和(自身を除く): 161497737

約数列:

[1, 3, 7, 9, 17, 21, 51, 61, 63, 119, 153, 183, 357, 427, 549, 1037, 1071, 1281, 3111, 3181, 3843, 7259, 9333, 9543, 21777, 22267, 28629, 54077, 65331, 66801, 162231, 194041, 200403, 378539, 486693, 582123, 1135617, 1358287, 1746369, 3298697, 3406851, 4074861, 9896091, 12224583, 23090879, 29688273, 69272637, 207817911]

約数ペア:

[(1, 207817911), (3, 69272637), (7, 29688273), (9, 23090879), (17, 12224583), (21, 9896091), (51, 4074861), (61, 3406851), (63, 3298697), (119, 1746369), (153, 1358287), (183, 1135617), (357, 582123), (427, 486693), (549, 378539), (1037, 200403), (1071, 194041), (1281, 162231), (3111, 66801), (3181, 65331), (3843, 54077), (7259, 28629), (9333, 22267), (9543, 21777)]