19105281

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 31622400

約数和(自身を除く): 12517119

約数列:

[1, 3, 9, 13, 27, 39, 53, 79, 117, 159, 169, 237, 351, 477, 507, 689, 711, 1027, 1431, 1521, 2067, 2133, 3081, 4187, 4563, 6201, 8957, 9243, 12561, 13351, 18603, 26871, 27729, 37683, 40053, 54431, 80613, 113049, 120159, 163293, 241839, 360477, 489879, 707603, 1469637, 2122809, 6368427, 19105281]

約数ペア:

[(1, 19105281), (3, 6368427), (9, 2122809), (13, 1469637), (27, 707603), (39, 489879), (53, 360477), (79, 241839), (117, 163293), (159, 120159), (169, 113049), (237, 80613), (351, 54431), (477, 40053), (507, 37683), (689, 27729), (711, 26871), (1027, 18603), (1431, 13351), (1521, 12561), (2067, 9243), (2133, 8957), (3081, 6201), (4187, 4563)]