1820637

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 60

約数和(自身を含む): 3542880

約数和(自身を除く): 1722243

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 169, 171, 189, 247, 273, 351, 399, 507, 513, 567, 741, 819, 1053, 1183, 1197, 1521, 1539, 1729, 2223, 2457, 3211, 3549, 3591, 4563, 5187, 6669, 7371, 9633, 10647, 10773, 13689, 15561, 20007, 22477, 28899, 31941, 46683, 67431, 86697, 95823, 140049, 202293, 260091, 606879, 1820637]

約数ペア:

[(1, 1820637), (3, 606879), (7, 260091), (9, 202293), (13, 140049), (19, 95823), (21, 86697), (27, 67431), (39, 46683), (57, 31941), (63, 28899), (81, 22477), (91, 20007), (117, 15561), (133, 13689), (169, 10773), (171, 10647), (189, 9633), (247, 7371), (273, 6669), (351, 5187), (399, 4563), (507, 3591), (513, 3549), (567, 3211), (741, 2457), (819, 2223), (1053, 1729), (1183, 1539), (1197, 1521)]