1722105

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 3841344

約数和(自身を除く): 2119239

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 71, 77, 99, 105, 147, 165, 213, 231, 245, 315, 355, 385, 441, 495, 497, 539, 639, 693, 735, 781, 1065, 1155, 1491, 1617, 2205, 2343, 2485, 2695, 3195, 3465, 3479, 3905, 4473, 4851, 5467, 7029, 7455, 8085, 10437, 11715, 16401, 17395, 22365, 24255, 27335, 31311, 35145, 38269, 49203, 52185, 82005, 114807, 156555, 191345, 246015, 344421, 574035, 1722105]

約数ペア:

[(1, 1722105), (3, 574035), (5, 344421), (7, 246015), (9, 191345), (11, 156555), (15, 114807), (21, 82005), (33, 52185), (35, 49203), (45, 38269), (49, 35145), (55, 31311), (63, 27335), (71, 24255), (77, 22365), (99, 17395), (105, 16401), (147, 11715), (165, 10437), (213, 8085), (231, 7455), (245, 7029), (315, 5467), (355, 4851), (385, 4473), (441, 3905), (495, 3479), (497, 3465), (539, 3195), (639, 2695), (693, 2485), (735, 2343), (781, 2205), (1065, 1617), (1155, 1491)]