348550839

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 656223360

約数和(自身を除く): 307672521

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 169, 171, 247, 273, 399, 507, 741, 819, 1183, 1197, 1521, 1723, 1729, 2223, 3211, 3549, 5169, 5187, 9633, 10647, 12061, 15507, 15561, 22399, 22477, 28899, 32737, 36183, 67197, 67431, 98211, 108549, 156793, 201591, 202293, 229159, 291187, 294633, 425581, 470379, 687477, 873561, 1276743, 1411137, 2038309, 2062431, 2620683, 2979067, 3830229, 5532553, 6114927, 8937201, 16597659, 18344781, 26811603, 38727871, 49792977, 116183613, 348550839]

約数ペア:

[(1, 348550839), (3, 116183613), (7, 49792977), (9, 38727871), (13, 26811603), (19, 18344781), (21, 16597659), (39, 8937201), (57, 6114927), (63, 5532553), (91, 3830229), (117, 2979067), (133, 2620683), (169, 2062431), (171, 2038309), (247, 1411137), (273, 1276743), (399, 873561), (507, 687477), (741, 470379), (819, 425581), (1183, 294633), (1197, 291187), (1521, 229159), (1723, 202293), (1729, 201591), (2223, 156793), (3211, 108549), (3549, 98211), (5169, 67431), (5187, 67197), (9633, 36183), (10647, 32737), (12061, 28899), (15507, 22477), (15561, 22399)]