16780647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 25663680

約数和(自身を除く): 8883033

約数列:

[1, 3, 13, 29, 37, 39, 87, 111, 377, 401, 481, 1073, 1131, 1203, 1443, 3219, 5213, 11629, 13949, 14837, 15639, 34887, 41847, 44511, 151177, 192881, 430273, 453531, 578643, 1290819, 5593549, 16780647]

約数ペア:

[(1, 16780647), (3, 5593549), (13, 1290819), (29, 578643), (37, 453531), (39, 430273), (87, 192881), (111, 151177), (377, 44511), (401, 41847), (481, 34887), (1073, 15639), (1131, 14837), (1203, 13949), (1443, 11629), (3219, 5213)]