87148455

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 142248960

約数和(自身を除く): 55100505

約数列:

[1, 3, 5, 15, 79, 237, 251, 293, 395, 753, 879, 1185, 1255, 1465, 3765, 4395, 19829, 23147, 59487, 69441, 73543, 99145, 115735, 220629, 297435, 347205, 367715, 1103145, 5809897, 17429691, 29049485, 87148455]

約数ペア:

[(1, 87148455), (3, 29049485), (5, 17429691), (15, 5809897), (79, 1103145), (237, 367715), (251, 347205), (293, 297435), (395, 220629), (753, 115735), (879, 99145), (1185, 73543), (1255, 69441), (1465, 59487), (3765, 23147), (4395, 19829)]