397376445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{2957}}^1$

素因数の和:3030

約数の個数: 48

約数和(自身を含む): 697425408

約数和(自身を除く): 300048963

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 289, 465, 527, 867, 1445, 1581, 2635, 2957, 4335, 7905, 8871, 8959, 14785, 26877, 44355, 44795, 50269, 91667, 134385, 150807, 251345, 275001, 458335, 754035, 854573, 1375005, 1558339, 2563719, 4272865, 4675017, 7791695, 12818595, 23375085, 26491763, 79475289, 132458815, 397376445]

約数ペア:

[(1, 397376445), (3, 132458815), (5, 79475289), (15, 26491763), (17, 23375085), (31, 12818595), (51, 7791695), (85, 4675017), (93, 4272865), (155, 2563719), (255, 1558339), (289, 1375005), (465, 854573), (527, 754035), (867, 458335), (1445, 275001), (1581, 251345), (2635, 150807), (2957, 134385), (4335, 91667), (7905, 50269), (8871, 44795), (8959, 44355), (14785, 26877)]