39505221

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3089}}^1$

素因数の和:3138

約数の個数: 36

約数和(自身を含む): 68690700

約数和(自身を除く): 29185479

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 3089, 4263, 9267, 12789, 21623, 27801, 64869, 89581, 151361, 194607, 268743, 454083, 627067, 806229, 1362249, 1881201, 4389469, 5643603, 13168407, 39505221]

約数ペア:

[(1, 39505221), (3, 13168407), (7, 5643603), (9, 4389469), (21, 1881201), (29, 1362249), (49, 806229), (63, 627067), (87, 454083), (147, 268743), (203, 194607), (261, 151361), (441, 89581), (609, 64869), (1421, 27801), (1827, 21623), (3089, 12789), (4263, 9267)]