397341

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 36

約数和(自身を含む): 720252

約数和(自身を除く): 322911

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 53, 63, 119, 147, 153, 159, 357, 371, 441, 477, 833, 901, 1071, 1113, 2499, 2597, 2703, 3339, 6307, 7497, 7791, 8109, 18921, 23373, 44149, 56763, 132447, 397341]

約数ペア:

[(1, 397341), (3, 132447), (7, 56763), (9, 44149), (17, 23373), (21, 18921), (49, 8109), (51, 7791), (53, 7497), (63, 6307), (119, 3339), (147, 2703), (153, 2597), (159, 2499), (357, 1113), (371, 1071), (441, 901), (477, 833)]