209511315

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21067}}^1$

素因数の和:21108

約数の個数: 48

約数和(自身を含む): 414112608

約数和(自身を除く): 204601293

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, 3315, 9945, 21067, 63201, 105335, 189603, 273871, 316005, 358139, 821613, 948015, 1074417, 1369355, 1790695, 2464839, 3223251, 4108065, 4655807, 5372085, 12324195, 13967421, 16116255, 23279035, 41902263, 69837105, 209511315]

約数ペア:

[(1, 209511315), (3, 69837105), (5, 41902263), (9, 23279035), (13, 16116255), (15, 13967421), (17, 12324195), (39, 5372085), (45, 4655807), (51, 4108065), (65, 3223251), (85, 2464839), (117, 1790695), (153, 1369355), (195, 1074417), (221, 948015), (255, 821613), (585, 358139), (663, 316005), (765, 273871), (1105, 189603), (1989, 105335), (3315, 63201), (9945, 21067)]