81694605

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1399}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 139104000

約数和(自身を除く): 57409395

約数列:

[1, 3, 5, 15, 17, 51, 85, 229, 255, 687, 1145, 1399, 3435, 3893, 4197, 6995, 11679, 19465, 20985, 23783, 58395, 71349, 118915, 320371, 356745, 961113, 1601855, 4805565, 5446307, 16338921, 27231535, 81694605]

約数ペア:

[(1, 81694605), (3, 27231535), (5, 16338921), (15, 5446307), (17, 4805565), (51, 1601855), (85, 961113), (229, 356745), (255, 320371), (687, 118915), (1145, 71349), (1399, 58395), (3435, 23783), (3893, 20985), (4197, 19465), (6995, 11679)]