17716881

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 30234624

約数和(自身を除く): 12517743

約数列:

[1, 3, 7, 13, 21, 39, 49, 73, 91, 127, 147, 219, 273, 381, 511, 637, 889, 949, 1533, 1651, 1911, 2667, 2847, 3577, 4953, 6223, 6643, 9271, 10731, 11557, 18669, 19929, 27813, 34671, 46501, 64897, 80899, 120523, 139503, 194691, 242697, 361569, 454279, 843661, 1362837, 2530983, 5905627, 17716881]

約数ペア:

[(1, 17716881), (3, 5905627), (7, 2530983), (13, 1362837), (21, 843661), (39, 454279), (49, 361569), (73, 242697), (91, 194691), (127, 139503), (147, 120523), (219, 80899), (273, 64897), (381, 46501), (511, 34671), (637, 27813), (889, 19929), (949, 18669), (1533, 11557), (1651, 10731), (1911, 9271), (2667, 6643), (2847, 6223), (3577, 4953)]