31075065

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 66423240

約数和(自身を除く): 35348175

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 829, 833, 1071, 1785, 2205, 2487, 2499, 4145, 4165, 5355, 5803, 7461, 7497, 12435, 12495, 14093, 17409, 29015, 37305, 37485, 40621, 42279, 52227, 70465, 87045, 98651, 121863, 126837, 203105, 211395, 261135, 295953, 365589, 493255, 609315, 634185, 690557, 887859, 1479765, 1827945, 2071671, 3452785, 4439295, 6215013, 10358355, 31075065]

約数ペア:

[(1, 31075065), (3, 10358355), (5, 6215013), (7, 4439295), (9, 3452785), (15, 2071671), (17, 1827945), (21, 1479765), (35, 887859), (45, 690557), (49, 634185), (51, 609315), (63, 493255), (85, 365589), (105, 295953), (119, 261135), (147, 211395), (153, 203105), (245, 126837), (255, 121863), (315, 98651), (357, 87045), (441, 70465), (595, 52227), (735, 42279), (765, 40621), (829, 37485), (833, 37305), (1071, 29015), (1785, 17409), (2205, 14093), (2487, 12495), (2499, 12435), (4145, 7497), (4165, 7461), (5355, 5803)]