2528505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 5241600

約数和(自身を除く): 2713095

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 349, 483, 805, 1035, 1047, 1449, 1745, 2415, 2443, 3141, 5235, 7245, 7329, 8027, 12215, 15705, 21987, 24081, 36645, 40135, 56189, 72243, 109935, 120405, 168567, 280945, 361215, 505701, 842835, 2528505]

約数ペア:

[(1, 2528505), (3, 842835), (5, 505701), (7, 361215), (9, 280945), (15, 168567), (21, 120405), (23, 109935), (35, 72243), (45, 56189), (63, 40135), (69, 36645), (105, 24081), (115, 21987), (161, 15705), (207, 12215), (315, 8027), (345, 7329), (349, 7245), (483, 5235), (805, 3141), (1035, 2443), (1047, 2415), (1449, 1745)]