81845505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 167431680

約数和(自身を除く): 85586175

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 257, 315, 337, 771, 945, 1011, 1285, 1685, 1799, 2313, 2359, 3033, 3855, 5055, 5397, 6939, 7077, 8995, 9099, 11565, 11795, 15165, 16191, 21231, 26985, 34695, 35385, 45495, 48573, 63693, 80955, 86609, 106155, 242865, 259827, 318465, 433045, 606263, 779481, 1299135, 1818789, 2338443, 3031315, 3897405, 5456367, 9093945, 11692215, 16369101, 27281835, 81845505]

約数ペア:

[(1, 81845505), (3, 27281835), (5, 16369101), (7, 11692215), (9, 9093945), (15, 5456367), (21, 3897405), (27, 3031315), (35, 2338443), (45, 1818789), (63, 1299135), (105, 779481), (135, 606263), (189, 433045), (257, 318465), (315, 259827), (337, 242865), (771, 106155), (945, 86609), (1011, 80955), (1285, 63693), (1685, 48573), (1799, 45495), (2313, 35385), (2359, 34695), (3033, 26985), (3855, 21231), (5055, 16191), (5397, 15165), (6939, 11795), (7077, 11565), (8995, 9099)]