81136185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1619}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 140434560

約数和(自身を除く): 59298375

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 257, 771, 1285, 1619, 3341, 3855, 4857, 8095, 10023, 16705, 21047, 24285, 50115, 63141, 105235, 315705, 416083, 1248249, 2080415, 5409079, 6241245, 16227237, 27045395, 81136185]

約数ペア:

[(1, 81136185), (3, 27045395), (5, 16227237), (13, 6241245), (15, 5409079), (39, 2080415), (65, 1248249), (195, 416083), (257, 315705), (771, 105235), (1285, 63141), (1619, 50115), (3341, 24285), (3855, 21047), (4857, 16705), (8095, 10023)]