211078725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19681}}^1$

素因数の和:19718

約数の個数: 48

約数和(自身を含む): 410015424

約数和(自身を除く): 198936699

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575, 10725, 19681, 59043, 98405, 216491, 255853, 295215, 492025, 649473, 767559, 1082455, 1279265, 1476075, 2814383, 3247365, 3837795, 5412275, 6396325, 8443149, 14071915, 16236825, 19188975, 42215745, 70359575, 211078725]

約数ペア:

[(1, 211078725), (3, 70359575), (5, 42215745), (11, 19188975), (13, 16236825), (15, 14071915), (25, 8443149), (33, 6396325), (39, 5412275), (55, 3837795), (65, 3247365), (75, 2814383), (143, 1476075), (165, 1279265), (195, 1082455), (275, 767559), (325, 649473), (429, 492025), (715, 295215), (825, 255853), (975, 216491), (2145, 98405), (3575, 59043), (10725, 19681)]