29221983

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 53209728

約数和(自身を除く): 23987745

約数列:

[1, 3, 7, 9, 21, 23, 43, 49, 63, 67, 69, 129, 147, 161, 201, 207, 301, 387, 441, 469, 483, 603, 903, 989, 1127, 1407, 1449, 1541, 2107, 2709, 2881, 2967, 3283, 3381, 4221, 4623, 6321, 6923, 8643, 8901, 9849, 10143, 10787, 13869, 18963, 20167, 20769, 25929, 29547, 32361, 48461, 60501, 62307, 66263, 75509, 97083, 141169, 145383, 181503, 198789, 226527, 423507, 436149, 463841, 596367, 679581, 1270521, 1391523, 3246887, 4174569, 9740661, 29221983]

約数ペア:

[(1, 29221983), (3, 9740661), (7, 4174569), (9, 3246887), (21, 1391523), (23, 1270521), (43, 679581), (49, 596367), (63, 463841), (67, 436149), (69, 423507), (129, 226527), (147, 198789), (161, 181503), (201, 145383), (207, 141169), (301, 97083), (387, 75509), (441, 66263), (469, 62307), (483, 60501), (603, 48461), (903, 32361), (989, 29547), (1127, 25929), (1407, 20769), (1449, 20167), (1541, 18963), (2107, 13869), (2709, 10787), (2881, 10143), (2967, 9849), (3283, 8901), (3381, 8643), (4221, 6923), (4623, 6321)]