1238895

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 80

約数和(自身を含む): 2787840

約数和(自身を除く): 1548945

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 23, 27, 35, 45, 57, 63, 69, 81, 95, 105, 115, 133, 135, 161, 171, 189, 207, 285, 315, 345, 399, 405, 437, 483, 513, 567, 621, 665, 805, 855, 945, 1035, 1197, 1311, 1449, 1539, 1863, 1995, 2185, 2415, 2565, 2835, 3059, 3105, 3591, 3933, 4347, 5985, 6555, 7245, 7695, 9177, 9315, 10773, 11799, 13041, 15295, 17955, 19665, 21735, 27531, 35397, 45885, 53865, 58995, 65205, 82593, 137655, 176985, 247779, 412965, 1238895]

約数ペア:

[(1, 1238895), (3, 412965), (5, 247779), (7, 176985), (9, 137655), (15, 82593), (19, 65205), (21, 58995), (23, 53865), (27, 45885), (35, 35397), (45, 27531), (57, 21735), (63, 19665), (69, 17955), (81, 15295), (95, 13041), (105, 11799), (115, 10773), (133, 9315), (135, 9177), (161, 7695), (171, 7245), (189, 6555), (207, 5985), (285, 4347), (315, 3933), (345, 3591), (399, 3105), (405, 3059), (437, 2835), (483, 2565), (513, 2415), (567, 2185), (621, 1995), (665, 1863), (805, 1539), (855, 1449), (945, 1311), (1035, 1197)]