51307893

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 94398720

約数和(自身を除く): 43090827

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 79, 91, 117, 169, 183, 237, 273, 427, 507, 549, 553, 711, 793, 819, 1027, 1183, 1281, 1521, 1659, 2379, 3081, 3549, 3843, 4819, 4977, 5551, 7137, 7189, 9243, 10309, 10647, 13351, 14457, 16653, 21567, 30927, 33733, 40053, 43371, 49959, 62647, 64701, 72163, 92781, 93457, 101199, 120159, 187941, 216489, 280371, 303597, 438529, 563823, 649467, 814411, 841113, 1315587, 2443233, 3946761, 5700877, 7329699, 17102631, 51307893]

約数ペア:

[(1, 51307893), (3, 17102631), (7, 7329699), (9, 5700877), (13, 3946761), (21, 2443233), (39, 1315587), (61, 841113), (63, 814411), (79, 649467), (91, 563823), (117, 438529), (169, 303597), (183, 280371), (237, 216489), (273, 187941), (427, 120159), (507, 101199), (549, 93457), (553, 92781), (711, 72163), (793, 64701), (819, 62647), (1027, 49959), (1183, 43371), (1281, 40053), (1521, 33733), (1659, 30927), (2379, 21567), (3081, 16653), (3549, 14457), (3843, 13351), (4819, 10647), (4977, 10309), (5551, 9243), (7137, 7189)]