207971631

素因数分解:

$3^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{859}}^1$

素因数の和:946

約数の個数: 60

約数和(自身を含む): 367748040

約数和(自身を除く): 159776409

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 81, 147, 183, 189, 427, 441, 549, 567, 859, 1281, 1323, 1647, 2577, 2989, 3843, 3969, 4941, 6013, 7731, 8967, 11529, 18039, 23193, 26901, 34587, 42091, 52399, 54117, 69579, 80703, 126273, 157197, 162351, 242109, 366793, 378819, 471591, 487053, 1100379, 1136457, 1414773, 2567551, 3301137, 3409371, 4244319, 7702653, 9903411, 23107959, 29710233, 69323877, 207971631]

約数ペア:

[(1, 207971631), (3, 69323877), (7, 29710233), (9, 23107959), (21, 9903411), (27, 7702653), (49, 4244319), (61, 3409371), (63, 3301137), (81, 2567551), (147, 1414773), (183, 1136457), (189, 1100379), (427, 487053), (441, 471591), (549, 378819), (567, 366793), (859, 242109), (1281, 162351), (1323, 157197), (1647, 126273), (2577, 80703), (2989, 69579), (3843, 54117), (3969, 52399), (4941, 42091), (6013, 34587), (7731, 26901), (8967, 23193), (11529, 18039)]