78210249

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 116054400

約数和(自身を除く): 37844151

約数列:

[1, 3, 13, 39, 43, 129, 149, 313, 447, 559, 939, 1677, 1937, 4069, 5811, 6407, 12207, 13459, 19221, 40377, 46637, 83291, 139911, 174967, 249873, 524901, 606281, 1818843, 2005391, 6016173, 26070083, 78210249]

約数ペア:

[(1, 78210249), (3, 26070083), (13, 6016173), (39, 2005391), (43, 1818843), (129, 606281), (149, 524901), (313, 249873), (447, 174967), (559, 139911), (939, 83291), (1677, 46637), (1937, 40377), (4069, 19221), (5811, 13459), (6407, 12207)]