3948165

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 7823088

約数和(自身を除く): 3874923

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 397, 585, 663, 765, 1105, 1191, 1985, 1989, 3315, 3573, 5161, 5955, 6749, 9945, 15483, 17865, 20247, 25805, 33745, 46449, 60741, 77415, 87737, 101235, 232245, 263211, 303705, 438685, 789633, 1316055, 3948165]

約数ペア:

[(1, 3948165), (3, 1316055), (5, 789633), (9, 438685), (13, 303705), (15, 263211), (17, 232245), (39, 101235), (45, 87737), (51, 77415), (65, 60741), (85, 46449), (117, 33745), (153, 25805), (195, 20247), (221, 17865), (255, 15483), (397, 9945), (585, 6749), (663, 5955), (765, 5161), (1105, 3573), (1191, 3315), (1985, 1989)]