620177571

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{293}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 984547200

約数和(自身を除く): 364369629

約数列:

[1, 3, 9, 13, 39, 79, 117, 229, 237, 293, 687, 711, 879, 1027, 2061, 2637, 2977, 3081, 3809, 8931, 9243, 11427, 18091, 23147, 26793, 34281, 54273, 67097, 69441, 162819, 201291, 208323, 235183, 300911, 603873, 705549, 872261, 902733, 2116647, 2616783, 2708199, 5300663, 7850349, 15901989, 47705967, 68908619, 206725857, 620177571]

約数ペア:

[(1, 620177571), (3, 206725857), (9, 68908619), (13, 47705967), (39, 15901989), (79, 7850349), (117, 5300663), (229, 2708199), (237, 2616783), (293, 2116647), (687, 902733), (711, 872261), (879, 705549), (1027, 603873), (2061, 300911), (2637, 235183), (2977, 208323), (3081, 201291), (3809, 162819), (8931, 69441), (9243, 67097), (11427, 54273), (18091, 34281), (23147, 26793)]