445419

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:78

約数の個数: 28

約数和(自身を含む): 734496

約数和(自身を除く): 289077

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 243, 351, 423, 611, 729, 1053, 1269, 1833, 3159, 3807, 5499, 9477, 11421, 16497, 34263, 49491, 148473, 445419]

約数ペア:

[(1, 445419), (3, 148473), (9, 49491), (13, 34263), (27, 16497), (39, 11421), (47, 9477), (81, 5499), (117, 3807), (141, 3159), (243, 1833), (351, 1269), (423, 1053), (611, 729)]