741650721

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{42397}}^1$

素因数の和:42438

約数の個数: 32

約数和(自身を含む): 1221062400

約数和(自身を除く): 479411679

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2499, 5831, 17493, 42397, 127191, 296779, 720749, 890337, 2077453, 2162247, 5045243, 6232359, 14542171, 15135729, 35316701, 43626513, 105950103, 247216907, 741650721]

約数ペア:

[(1, 741650721), (3, 247216907), (7, 105950103), (17, 43626513), (21, 35316701), (49, 15135729), (51, 14542171), (119, 6232359), (147, 5045243), (343, 2162247), (357, 2077453), (833, 890337), (1029, 720749), (2499, 296779), (5831, 127191), (17493, 42397)]