1303155

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{197}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 2708640

約数和(自身を除く): 1405485

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 197, 245, 315, 441, 591, 735, 945, 985, 1323, 1379, 1773, 2205, 2955, 4137, 5319, 6615, 6895, 8865, 9653, 12411, 20685, 26595, 28959, 37233, 48265, 62055, 86877, 144795, 186165, 260631, 434385, 1303155]

約数ペア:

[(1, 1303155), (3, 434385), (5, 260631), (7, 186165), (9, 144795), (15, 86877), (21, 62055), (27, 48265), (35, 37233), (45, 28959), (49, 26595), (63, 20685), (105, 12411), (135, 9653), (147, 8865), (189, 6895), (197, 6615), (245, 5319), (315, 4137), (441, 2955), (591, 2205), (735, 1773), (945, 1379), (985, 1323)]