1122255

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 2143152

約数和(自身を除く): 1020897

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 163, 255, 405, 459, 489, 765, 815, 1377, 1467, 2295, 2445, 2771, 4401, 6885, 7335, 8313, 13203, 13855, 22005, 24939, 41565, 66015, 74817, 124695, 224451, 374085, 1122255]

約数ペア:

[(1, 1122255), (3, 374085), (5, 224451), (9, 124695), (15, 74817), (17, 66015), (27, 41565), (45, 24939), (51, 22005), (81, 13855), (85, 13203), (135, 8313), (153, 7335), (163, 6885), (255, 4401), (405, 2771), (459, 2445), (489, 2295), (765, 1467), (815, 1377)]