917991723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 1425715200

約数和(自身を除く): 507723477

約数列:

[1, 3, 11, 29, 33, 67, 87, 103, 139, 201, 309, 319, 417, 737, 957, 1133, 1529, 1943, 2211, 2987, 3399, 4031, 4587, 5829, 6901, 8961, 9313, 12093, 14317, 20703, 21373, 27939, 32857, 42951, 44341, 64119, 75911, 98571, 102443, 133023, 157487, 200129, 227733, 270077, 307329, 415193, 472461, 600387, 810231, 959239, 1245579, 2201419, 2877717, 2970847, 4567123, 6604257, 8912541, 10551629, 13701369, 27817931, 31654887, 83453793, 305997241, 917991723]

約数ペア:

[(1, 917991723), (3, 305997241), (11, 83453793), (29, 31654887), (33, 27817931), (67, 13701369), (87, 10551629), (103, 8912541), (139, 6604257), (201, 4567123), (309, 2970847), (319, 2877717), (417, 2201419), (737, 1245579), (957, 959239), (1133, 810231), (1529, 600387), (1943, 472461), (2211, 415193), (2987, 307329), (3399, 270077), (4031, 227733), (4587, 200129), (5829, 157487), (6901, 133023), (8961, 102443), (9313, 98571), (12093, 75911), (14317, 64119), (20703, 44341), (21373, 42951), (27939, 32857)]