16313781

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 8901195

約数列:

[1, 3, 11, 31, 33, 37, 93, 111, 341, 407, 431, 1023, 1147, 1221, 1293, 3441, 4741, 12617, 13361, 14223, 15947, 37851, 40083, 47841, 146971, 175417, 440913, 494357, 526251, 1483071, 5437927, 16313781]

約数ペア:

[(1, 16313781), (3, 5437927), (11, 1483071), (31, 526251), (33, 494357), (37, 440913), (93, 175417), (111, 146971), (341, 47841), (407, 40083), (431, 37851), (1023, 15947), (1147, 14223), (1221, 13361), (1293, 12617), (3441, 4741)]