201801645

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{87931}}^1$

素因数の和:87962

約数の個数: 32

約数和(自身を含む): 379866240

約数和(自身を除く): 178064595

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 87931, 263793, 439655, 791379, 1318965, 1494827, 2374137, 3956895, 4484481, 7474135, 11870685, 13453443, 22422405, 40360329, 67267215, 201801645]

約数ペア:

[(1, 201801645), (3, 67267215), (5, 40360329), (9, 22422405), (15, 13453443), (17, 11870685), (27, 7474135), (45, 4484481), (51, 3956895), (85, 2374137), (135, 1494827), (153, 1318965), (255, 791379), (459, 439655), (765, 263793), (2295, 87931)]