81784755

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{46601}}^1$

素因数の和:46628

約数の個数: 32

約数和(自身を含む): 156582720

約数和(自身を除く): 74797965

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 46601, 139803, 233005, 419409, 605813, 699015, 1258227, 1817439, 2097045, 3029065, 5452317, 6291135, 9087195, 16356951, 27261585, 81784755]

約数ペア:

[(1, 81784755), (3, 27261585), (5, 16356951), (9, 9087195), (13, 6291135), (15, 5452317), (27, 3029065), (39, 2097045), (45, 1817439), (65, 1258227), (117, 699015), (135, 605813), (195, 419409), (351, 233005), (585, 139803), (1755, 46601)]