30919005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3109}}^1$

素因数の和:3150

約数の個数: 48

約数和(自身を含む): 61130160

約数和(自身を除く): 30211155

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3109, 3315, 9327, 9945, 15545, 27981, 40417, 46635, 52853, 121251, 139905, 158559, 202085, 264265, 363753, 475677, 606255, 687089, 792795, 1818765, 2061267, 2378385, 3435445, 6183801, 10306335, 30919005]

約数ペア:

[(1, 30919005), (3, 10306335), (5, 6183801), (9, 3435445), (13, 2378385), (15, 2061267), (17, 1818765), (39, 792795), (45, 687089), (51, 606255), (65, 475677), (85, 363753), (117, 264265), (153, 202085), (195, 158559), (221, 139905), (255, 121251), (585, 52853), (663, 46635), (765, 40417), (1105, 27981), (1989, 15545), (3109, 9945), (3315, 9327)]