173831217

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 289972224

約数和(自身を除く): 116141007

約数列:

[1, 3, 7, 21, 23, 37, 69, 71, 111, 137, 161, 213, 259, 411, 483, 497, 777, 851, 959, 1491, 1633, 2553, 2627, 2877, 3151, 4899, 5069, 5957, 7881, 9453, 9727, 11431, 15207, 17871, 18389, 22057, 29181, 34293, 35483, 55167, 60421, 66171, 68089, 106449, 116587, 181263, 204267, 223721, 349761, 359899, 422947, 671163, 816109, 1079697, 1268841, 1566047, 2448327, 2519293, 4698141, 7557879, 8277677, 24833031, 57943739, 173831217]

約数ペア:

[(1, 173831217), (3, 57943739), (7, 24833031), (21, 8277677), (23, 7557879), (37, 4698141), (69, 2519293), (71, 2448327), (111, 1566047), (137, 1268841), (161, 1079697), (213, 816109), (259, 671163), (411, 422947), (483, 359899), (497, 349761), (777, 223721), (851, 204267), (959, 181263), (1491, 116587), (1633, 106449), (2553, 68089), (2627, 66171), (2877, 60421), (3151, 55167), (4899, 35483), (5069, 34293), (5957, 29181), (7881, 22057), (9453, 18389), (9727, 17871), (11431, 15207)]