6921495

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 14476176

約数和(自身を除く): 7554681

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 73, 105, 129, 147, 215, 219, 245, 301, 315, 365, 387, 441, 511, 645, 657, 735, 903, 1095, 1505, 1533, 1935, 2107, 2205, 2555, 2709, 3139, 3285, 3577, 4515, 4599, 6321, 7665, 9417, 10535, 10731, 13545, 15695, 17885, 18963, 21973, 22995, 28251, 31605, 32193, 47085, 53655, 65919, 94815, 109865, 141255, 153811, 160965, 197757, 329595, 461433, 769055, 988785, 1384299, 2307165, 6921495]

約数ペア:

[(1, 6921495), (3, 2307165), (5, 1384299), (7, 988785), (9, 769055), (15, 461433), (21, 329595), (35, 197757), (43, 160965), (45, 153811), (49, 141255), (63, 109865), (73, 94815), (105, 65919), (129, 53655), (147, 47085), (215, 32193), (219, 31605), (245, 28251), (301, 22995), (315, 21973), (365, 18963), (387, 17885), (441, 15695), (511, 13545), (645, 10731), (657, 10535), (735, 9417), (903, 7665), (1095, 6321), (1505, 4599), (1533, 4515), (1935, 3577), (2107, 3285), (2205, 3139), (2555, 2709)]