6640725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 13853280

約数和(自身を除く): 7212555

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 139, 147, 175, 195, 245, 273, 325, 417, 455, 525, 637, 695, 735, 973, 975, 1225, 1365, 1807, 1911, 2085, 2275, 2919, 3185, 3475, 3675, 4865, 5421, 6811, 6825, 9035, 9555, 10425, 12649, 14595, 15925, 20433, 24325, 27105, 34055, 37947, 45175, 47775, 63245, 72975, 88543, 102165, 135525, 170275, 189735, 265629, 316225, 442715, 510825, 948675, 1328145, 2213575, 6640725]

約数ペア:

[(1, 6640725), (3, 2213575), (5, 1328145), (7, 948675), (13, 510825), (15, 442715), (21, 316225), (25, 265629), (35, 189735), (39, 170275), (49, 135525), (65, 102165), (75, 88543), (91, 72975), (105, 63245), (139, 47775), (147, 45175), (175, 37947), (195, 34055), (245, 27105), (273, 24325), (325, 20433), (417, 15925), (455, 14595), (525, 12649), (637, 10425), (695, 9555), (735, 9035), (973, 6825), (975, 6811), (1225, 5421), (1365, 4865), (1807, 3675), (1911, 3475), (2085, 3185), (2275, 2919)]