7142205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 13160448

約数和(自身を除く): 6018243

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 271, 753, 813, 1255, 1355, 1757, 1897, 3765, 4065, 5271, 5691, 8785, 9485, 26355, 28455, 68021, 204063, 340105, 476147, 1020315, 1428441, 2380735, 7142205]

約数ペア:

[(1, 7142205), (3, 2380735), (5, 1428441), (7, 1020315), (15, 476147), (21, 340105), (35, 204063), (105, 68021), (251, 28455), (271, 26355), (753, 9485), (813, 8785), (1255, 5691), (1355, 5271), (1757, 4065), (1897, 3765)]