71821113

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 60

約数和(自身を含む): 123019920

約数和(自身を除く): 51198807

約数列:

[1, 3, 7, 13, 21, 39, 49, 59, 91, 147, 169, 177, 273, 343, 413, 507, 637, 767, 1029, 1183, 1239, 1911, 2301, 2401, 2891, 3549, 4459, 5369, 7203, 8281, 8673, 9971, 13377, 16107, 20237, 24843, 29913, 31213, 37583, 57967, 60711, 69797, 93639, 112749, 141659, 173901, 209391, 263081, 405769, 424977, 488579, 789243, 1217307, 1465737, 1841567, 3420053, 5524701, 10260159, 23940371, 71821113]

約数ペア:

[(1, 71821113), (3, 23940371), (7, 10260159), (13, 5524701), (21, 3420053), (39, 1841567), (49, 1465737), (59, 1217307), (91, 789243), (147, 488579), (169, 424977), (177, 405769), (273, 263081), (343, 209391), (413, 173901), (507, 141659), (637, 112749), (767, 93639), (1029, 69797), (1183, 60711), (1239, 57967), (1911, 37583), (2301, 31213), (2401, 29913), (2891, 24843), (3549, 20237), (4459, 16107), (5369, 13377), (7203, 9971), (8281, 8673)]