217981695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{10709}}^1$

素因数の和:10799

約数の個数: 32

約数和(自身を含む): 370137600

約数和(自身を除く): 152155905

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1357, 4071, 6785, 10709, 20355, 32127, 53545, 160635, 246307, 631831, 738921, 1231535, 1895493, 3159155, 3694605, 9477465, 14532113, 43596339, 72660565, 217981695]

約数ペア:

[(1, 217981695), (3, 72660565), (5, 43596339), (15, 14532113), (23, 9477465), (59, 3694605), (69, 3159155), (115, 1895493), (177, 1231535), (295, 738921), (345, 631831), (885, 246307), (1357, 160635), (4071, 53545), (6785, 32127), (10709, 20355)]