2671515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 5944320

約数和(自身を除く): 3272805

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 257, 297, 315, 385, 495, 693, 771, 945, 1155, 1285, 1485, 1799, 2079, 2313, 2827, 3465, 3855, 5397, 6939, 8481, 8995, 10395, 11565, 14135, 16191, 19789, 25443, 26985, 34695, 42405, 48573, 59367, 76329, 80955, 98945, 127215, 178101, 242865, 296835, 381645, 534303, 890505, 2671515]

約数ペア:

[(1, 2671515), (3, 890505), (5, 534303), (7, 381645), (9, 296835), (11, 242865), (15, 178101), (21, 127215), (27, 98945), (33, 80955), (35, 76329), (45, 59367), (55, 48573), (63, 42405), (77, 34695), (99, 26985), (105, 25443), (135, 19789), (165, 16191), (189, 14135), (231, 11565), (257, 10395), (297, 8995), (315, 8481), (385, 6939), (495, 5397), (693, 3855), (771, 3465), (945, 2827), (1155, 2313), (1285, 2079), (1485, 1799)]