213014025

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{139}}^2$

素因数の和:308

約数の個数: 81

約数和(自身を含む): 447038631

約数和(自身を除く): 234024606

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 139, 147, 175, 225, 245, 315, 417, 441, 525, 695, 735, 973, 1225, 1251, 1575, 2085, 2205, 2919, 3475, 3675, 4865, 6255, 6811, 8757, 10425, 11025, 14595, 19321, 20433, 24325, 31275, 34055, 43785, 57963, 61299, 72975, 96605, 102165, 135247, 170275, 173889, 218925, 289815, 306495, 405741, 483025, 510825, 676235, 869445, 946729, 1217223, 1449075, 1532475, 2028705, 2840187, 3381175, 4347225, 4733645, 6086115, 8520561, 10143525, 14200935, 23668225, 30430575, 42602805, 71004675, 213014025]

約数ペア:

[(1, 213014025), (3, 71004675), (5, 42602805), (7, 30430575), (9, 23668225), (15, 14200935), (21, 10143525), (25, 8520561), (35, 6086115), (45, 4733645), (49, 4347225), (63, 3381175), (75, 2840187), (105, 2028705), (139, 1532475), (147, 1449075), (175, 1217223), (225, 946729), (245, 869445), (315, 676235), (417, 510825), (441, 483025), (525, 405741), (695, 306495), (735, 289815), (973, 218925), (1225, 173889), (1251, 170275), (1575, 135247), (2085, 102165), (2205, 96605), (2919, 72975), (3475, 61299), (3675, 57963), (4865, 43785), (6255, 34055), (6811, 31275), (8757, 24325), (10425, 20433), (11025, 19321)]