66865743

素因数分解:

$3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1034

約数の個数: 60

約数和(自身を含む): 123152832

約数和(自身を除く): 56287089

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 147, 153, 189, 357, 441, 459, 567, 833, 991, 1071, 1323, 1377, 2499, 2973, 3213, 3969, 6937, 7497, 8919, 9639, 16847, 20811, 22491, 26757, 48559, 50541, 62433, 67473, 80271, 117929, 145677, 151623, 187299, 353787, 437031, 454869, 561897, 825503, 1061361, 1311093, 1364607, 2476509, 3184083, 3933279, 7429527, 9552249, 22288581, 66865743]

約数ペア:

[(1, 66865743), (3, 22288581), (7, 9552249), (9, 7429527), (17, 3933279), (21, 3184083), (27, 2476509), (49, 1364607), (51, 1311093), (63, 1061361), (81, 825503), (119, 561897), (147, 454869), (153, 437031), (189, 353787), (357, 187299), (441, 151623), (459, 145677), (567, 117929), (833, 80271), (991, 67473), (1071, 62433), (1323, 50541), (1377, 48559), (2499, 26757), (2973, 22491), (3213, 20811), (3969, 16847), (6937, 9639), (7497, 8919)]