28428045

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26693}}^1$

素因数の和:26772

約数の個数: 16

約数和(自身を含む): 46127232

約数和(自身を除く): 17699187

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26693, 80079, 133465, 400395, 1895203, 5685609, 9476015, 28428045]

約数ペア:

[(1, 28428045), (3, 9476015), (5, 5685609), (15, 1895203), (71, 400395), (213, 133465), (355, 80079), (1065, 26693)]