51389793

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3691}}^1$

素因数の和:3734

約数の個数: 48

約数和(自身を含む): 96759936

約数和(自身を除く): 45370143

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 3691, 4641, 11073, 13923, 25837, 33219, 47983, 62747, 77511, 143949, 188241, 232533, 335881, 431847, 439229, 564723, 815711, 1007643, 1317687, 2447133, 3022929, 3953061, 5709977, 7341399, 17129931, 51389793]

約数ペア:

[(1, 51389793), (3, 17129931), (7, 7341399), (9, 5709977), (13, 3953061), (17, 3022929), (21, 2447133), (39, 1317687), (51, 1007643), (63, 815711), (91, 564723), (117, 439229), (119, 431847), (153, 335881), (221, 232533), (273, 188241), (357, 143949), (663, 77511), (819, 62747), (1071, 47983), (1547, 33219), (1989, 25837), (3691, 13923), (4641, 11073)]