1550115

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 3378960

約数和(自身を除く): 1828845

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 37, 45, 49, 57, 63, 95, 105, 111, 133, 147, 171, 185, 245, 259, 285, 315, 333, 399, 441, 555, 665, 703, 735, 777, 855, 931, 1197, 1295, 1665, 1813, 1995, 2109, 2205, 2331, 2793, 3515, 3885, 4655, 4921, 5439, 5985, 6327, 8379, 9065, 10545, 11655, 13965, 14763, 16317, 24605, 27195, 31635, 34447, 41895, 44289, 73815, 81585, 103341, 172235, 221445, 310023, 516705, 1550115]

約数ペア:

[(1, 1550115), (3, 516705), (5, 310023), (7, 221445), (9, 172235), (15, 103341), (19, 81585), (21, 73815), (35, 44289), (37, 41895), (45, 34447), (49, 31635), (57, 27195), (63, 24605), (95, 16317), (105, 14763), (111, 13965), (133, 11655), (147, 10545), (171, 9065), (185, 8379), (245, 6327), (259, 5985), (285, 5439), (315, 4921), (333, 4655), (399, 3885), (441, 3515), (555, 2793), (665, 2331), (703, 2205), (735, 2109), (777, 1995), (855, 1813), (931, 1665), (1197, 1295)]