81272685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{18121}}^1$

素因数の和:18165

約数の個数: 32

約数和(自身を含む): 146135808

約数和(自身を除く): 64863123

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 18121, 54363, 90605, 235573, 271815, 416783, 706719, 1177865, 1250349, 2083915, 3533595, 5418179, 6251745, 16254537, 27090895, 81272685]

約数ペア:

[(1, 81272685), (3, 27090895), (5, 16254537), (13, 6251745), (15, 5418179), (23, 3533595), (39, 2083915), (65, 1250349), (69, 1177865), (115, 706719), (195, 416783), (299, 271815), (345, 235573), (897, 90605), (1495, 54363), (4485, 18121)]