42903903

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2557}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 70723584

約数和(自身を除く): 27819681

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 2397, 2557, 5593, 7671, 16779, 17899, 43469, 53697, 120179, 130407, 304283, 360537, 841253, 912849, 2043043, 2523759, 6129129, 14301301, 42903903]

約数ペア:

[(1, 42903903), (3, 14301301), (7, 6129129), (17, 2523759), (21, 2043043), (47, 912849), (51, 841253), (119, 360537), (141, 304283), (329, 130407), (357, 120179), (799, 53697), (987, 43469), (2397, 17899), (2557, 16779), (5593, 7671)]