31005345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4159}}^1$

素因数の和:4245

約数の個数: 32

約数和(自身を含む): 57507840

約数和(自身を除く): 26502495

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 4159, 7455, 12477, 20795, 29113, 62385, 87339, 145565, 295289, 436695, 885867, 1476445, 2067023, 4429335, 6201069, 10335115, 31005345]

約数ペア:

[(1, 31005345), (3, 10335115), (5, 6201069), (7, 4429335), (15, 2067023), (21, 1476445), (35, 885867), (71, 436695), (105, 295289), (213, 145565), (355, 87339), (497, 62385), (1065, 29113), (1491, 20795), (2485, 12477), (4159, 7455)]