81907945

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101749}}^1$

素因数の和:101784

約数の個数: 16

約数和(自身を含む): 117216000

約数和(自身を除く): 35308055

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 101749, 508745, 712243, 2340227, 3561215, 11701135, 16381589, 81907945]

約数ペア:

[(1, 81907945), (5, 16381589), (7, 11701135), (23, 3561215), (35, 2340227), (115, 712243), (161, 508745), (805, 101749)]