53878251

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 84211200

約数和(自身を除く): 30332949

約数列:

[1, 3, 7, 21, 67, 149, 201, 257, 447, 469, 771, 1043, 1407, 1799, 3129, 5397, 9983, 17219, 29949, 38293, 51657, 69881, 114879, 120533, 209643, 268051, 361599, 804153, 2565631, 7696893, 17959417, 53878251]

約数ペア:

[(1, 53878251), (3, 17959417), (7, 7696893), (21, 2565631), (67, 804153), (149, 361599), (201, 268051), (257, 209643), (447, 120533), (469, 114879), (771, 69881), (1043, 51657), (1407, 38293), (1799, 29949), (3129, 17219), (5397, 9983)]