18546405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 31653504

約数和(自身を除く): 13107099

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 283, 771, 849, 1285, 1415, 3855, 4245, 4369, 4811, 13107, 14433, 21845, 24055, 65535, 72165, 72731, 218193, 363655, 1090965, 1236427, 3709281, 6182135, 18546405]

約数ペア:

[(1, 18546405), (3, 6182135), (5, 3709281), (15, 1236427), (17, 1090965), (51, 363655), (85, 218193), (255, 72731), (257, 72165), (283, 65535), (771, 24055), (849, 21845), (1285, 14433), (1415, 13107), (3855, 4811), (4245, 4369)]