27781935

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 45868032

約数和(自身を除く): 18086097

約数列:

[1, 3, 5, 15, 47, 141, 157, 235, 251, 471, 705, 753, 785, 1255, 2355, 3765, 7379, 11797, 22137, 35391, 36895, 39407, 58985, 110685, 118221, 176955, 197035, 591105, 1852129, 5556387, 9260645, 27781935]

約数ペア:

[(1, 27781935), (3, 9260645), (5, 5556387), (15, 1852129), (47, 591105), (141, 197035), (157, 176955), (235, 118221), (251, 110685), (471, 58985), (705, 39407), (753, 36895), (785, 35391), (1255, 22137), (2355, 11797), (3765, 7379)]