31198995

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2399}}^1$

素因数の和:2444

約数の個数: 36

約数和(自身を含む): 57470400

約数和(自身を除く): 26271405

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2399, 2601, 4335, 7197, 11995, 13005, 21591, 35985, 40783, 107955, 122349, 203915, 367047, 611745, 693311, 1835235, 2079933, 3466555, 6239799, 10399665, 31198995]

約数ペア:

[(1, 31198995), (3, 10399665), (5, 6239799), (9, 3466555), (15, 2079933), (17, 1835235), (45, 693311), (51, 611745), (85, 367047), (153, 203915), (255, 122349), (289, 107955), (765, 40783), (867, 35985), (1445, 21591), (2399, 13005), (2601, 11995), (4335, 7197)]