166806885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 313657344

約数和(自身を除く): 146850459

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 131, 181, 201, 335, 393, 469, 543, 655, 905, 917, 1005, 1267, 1407, 1965, 2345, 2715, 2751, 3801, 4585, 6335, 7035, 8777, 12127, 13755, 19005, 23711, 26331, 36381, 43885, 60635, 61439, 71133, 84889, 118555, 131655, 165977, 181905, 184317, 254667, 307195, 355665, 424445, 497931, 829885, 921585, 1273335, 1588637, 2489655, 4765911, 7943185, 11120459, 23829555, 33361377, 55602295, 166806885]

約数ペア:

[(1, 166806885), (3, 55602295), (5, 33361377), (7, 23829555), (15, 11120459), (21, 7943185), (35, 4765911), (67, 2489655), (105, 1588637), (131, 1273335), (181, 921585), (201, 829885), (335, 497931), (393, 424445), (469, 355665), (543, 307195), (655, 254667), (905, 184317), (917, 181905), (1005, 165977), (1267, 131655), (1407, 118555), (1965, 84889), (2345, 71133), (2715, 61439), (2751, 60635), (3801, 43885), (4585, 36381), (6335, 26331), (7035, 23711), (8777, 19005), (12127, 13755)]