26920215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 55710720

約数和(自身を除く): 28790505

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 305, 315, 427, 467, 549, 915, 945, 1281, 1401, 1647, 2135, 2335, 2745, 3269, 3843, 4203, 6405, 7005, 8235, 9807, 11529, 12609, 16345, 19215, 21015, 28487, 29421, 49035, 57645, 63045, 85461, 88263, 142435, 147105, 199409, 256383, 427305, 441315, 598227, 769149, 997045, 1281915, 1794681, 2991135, 3845745, 5384043, 8973405, 26920215]

約数ペア:

[(1, 26920215), (3, 8973405), (5, 5384043), (7, 3845745), (9, 2991135), (15, 1794681), (21, 1281915), (27, 997045), (35, 769149), (45, 598227), (61, 441315), (63, 427305), (105, 256383), (135, 199409), (183, 147105), (189, 142435), (305, 88263), (315, 85461), (427, 63045), (467, 57645), (549, 49035), (915, 29421), (945, 28487), (1281, 21015), (1401, 19215), (1647, 16345), (2135, 12609), (2335, 11529), (2745, 9807), (3269, 8235), (3843, 7005), (4203, 6405)]