25493115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 43467840

約数和(自身を除く): 17974725

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 389, 771, 1167, 1285, 1945, 3855, 4369, 5835, 6613, 13107, 19839, 21845, 33065, 65535, 99195, 99973, 299919, 499865, 1499595, 1699541, 5098623, 8497705, 25493115]

約数ペア:

[(1, 25493115), (3, 8497705), (5, 5098623), (15, 1699541), (17, 1499595), (51, 499865), (85, 299919), (255, 99973), (257, 99195), (389, 65535), (771, 33065), (1167, 21845), (1285, 19839), (1945, 13107), (3855, 6613), (4369, 5835)]