31298211

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 55349280

約数和(自身を除く): 24051069

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 369, 441, 577, 861, 1107, 1323, 1731, 2009, 2583, 4039, 5193, 6027, 7749, 12117, 15579, 18081, 23657, 28273, 36351, 54243, 70971, 84819, 109053, 165599, 212913, 254457, 496797, 638739, 763371, 1159193, 1490391, 3477579, 4471173, 10432737, 31298211]

約数ペア:

[(1, 31298211), (3, 10432737), (7, 4471173), (9, 3477579), (21, 1490391), (27, 1159193), (41, 763371), (49, 638739), (63, 496797), (123, 254457), (147, 212913), (189, 165599), (287, 109053), (369, 84819), (441, 70971), (577, 54243), (861, 36351), (1107, 28273), (1323, 23657), (1731, 18081), (2009, 15579), (2583, 12117), (4039, 7749), (5193, 6027)]