399180705

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 820471680

約数和(自身を除く): 421290975

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 97, 105, 147, 165, 231, 245, 291, 385, 485, 509, 539, 679, 735, 1067, 1155, 1455, 1527, 1617, 2037, 2545, 2695, 3201, 3395, 3563, 4753, 5335, 5599, 7469, 7635, 8085, 10185, 10689, 14259, 16005, 16797, 17815, 22407, 23765, 24941, 27995, 37345, 39193, 49373, 52283, 53445, 71295, 74823, 83985, 112035, 117579, 124705, 148119, 156849, 195965, 246865, 261415, 274351, 345611, 374115, 543103, 587895, 740595, 784245, 823053, 1036833, 1371755, 1629309, 1728055, 2419277, 2715515, 3801721, 4115265, 5184165, 7257831, 8146545, 11405163, 12096385, 19008605, 26612047, 36289155, 57025815, 79836141, 133060235, 399180705]

約数ペア:

[(1, 399180705), (3, 133060235), (5, 79836141), (7, 57025815), (11, 36289155), (15, 26612047), (21, 19008605), (33, 12096385), (35, 11405163), (49, 8146545), (55, 7257831), (77, 5184165), (97, 4115265), (105, 3801721), (147, 2715515), (165, 2419277), (231, 1728055), (245, 1629309), (291, 1371755), (385, 1036833), (485, 823053), (509, 784245), (539, 740595), (679, 587895), (735, 543103), (1067, 374115), (1155, 345611), (1455, 274351), (1527, 261415), (1617, 246865), (2037, 195965), (2545, 156849), (2695, 148119), (3201, 124705), (3395, 117579), (3563, 112035), (4753, 83985), (5335, 74823), (5599, 71295), (7469, 53445), (7635, 52283), (8085, 49373), (10185, 39193), (10689, 37345), (14259, 27995), (16005, 24941), (16797, 23765), (17815, 22407)]