999090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 2754648

約数和(自身を除く): 1755558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 653, 765, 1306, 1530, 1959, 3265, 3918, 5877, 6530, 9795, 11101, 11754, 19590, 22202, 29385, 33303, 55505, 58770, 66606, 99909, 111010, 166515, 199818, 333030, 499545, 999090]

約数ペア:

[(1, 999090), (2, 499545), (3, 333030), (5, 199818), (6, 166515), (9, 111010), (10, 99909), (15, 66606), (17, 58770), (18, 55505), (30, 33303), (34, 29385), (45, 22202), (51, 19590), (85, 11754), (90, 11101), (102, 9795), (153, 6530), (170, 5877), (255, 3918), (306, 3265), (510, 1959), (653, 1530), (765, 1306)]