81522225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{21313}}^1$

素因数の和:21346

約数の個数: 36

約数和(自身を含む): 154611756

約数和(自身を除く): 73089531

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 21313, 63939, 106565, 191817, 319695, 362321, 532825, 959085, 1086963, 1598475, 1811605, 3260889, 4795425, 5434815, 9058025, 16304445, 27174075, 81522225]

約数ペア:

[(1, 81522225), (3, 27174075), (5, 16304445), (9, 9058025), (15, 5434815), (17, 4795425), (25, 3260889), (45, 1811605), (51, 1598475), (75, 1086963), (85, 959085), (153, 532825), (225, 362321), (255, 319695), (425, 191817), (765, 106565), (1275, 63939), (3825, 21313)]