668865021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 1059028992

約数和(自身を除く): 390163971

約数列:

[1, 3, 11, 31, 33, 37, 41, 93, 111, 123, 341, 407, 431, 451, 1023, 1147, 1221, 1271, 1293, 1353, 1517, 3441, 3813, 4551, 4741, 12617, 13361, 13981, 14223, 15947, 16687, 17671, 37851, 40083, 41943, 47027, 47841, 50061, 53013, 141081, 146971, 175417, 194381, 440913, 494357, 517297, 526251, 547801, 583143, 653827, 1483071, 1551891, 1643403, 1961481, 5437927, 6025811, 7192097, 16313781, 18077433, 20268637, 21576291, 60805911, 222955007, 668865021]

約数ペア:

[(1, 668865021), (3, 222955007), (11, 60805911), (31, 21576291), (33, 20268637), (37, 18077433), (41, 16313781), (93, 7192097), (111, 6025811), (123, 5437927), (341, 1961481), (407, 1643403), (431, 1551891), (451, 1483071), (1023, 653827), (1147, 583143), (1221, 547801), (1271, 526251), (1293, 517297), (1353, 494357), (1517, 440913), (3441, 194381), (3813, 175417), (4551, 146971), (4741, 141081), (12617, 53013), (13361, 50061), (13981, 47841), (14223, 47027), (15947, 41943), (16687, 40083), (17671, 37851)]