71742909

素因数分解:

$3^1\times 7^3\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 112723200

約数和(自身を除く): 40980291

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 343, 617, 791, 1029, 1851, 2373, 4319, 5537, 12957, 16611, 30233, 38759, 69721, 90699, 116277, 209163, 211631, 488047, 634893, 1464141, 3416329, 10248987, 23914303, 71742909]

約数ペア:

[(1, 71742909), (3, 23914303), (7, 10248987), (21, 3416329), (49, 1464141), (113, 634893), (147, 488047), (339, 211631), (343, 209163), (617, 116277), (791, 90699), (1029, 69721), (1851, 38759), (2373, 30233), (4319, 16611), (5537, 12957)]