668115

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{101}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 1395360

約数和(自身を除く): 727245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 101, 105, 135, 147, 189, 245, 303, 315, 441, 505, 707, 735, 909, 945, 1323, 1515, 2121, 2205, 2727, 3535, 4545, 4949, 6363, 6615, 10605, 13635, 14847, 19089, 24745, 31815, 44541, 74235, 95445, 133623, 222705, 668115]

約数ペア:

[(1, 668115), (3, 222705), (5, 133623), (7, 95445), (9, 74235), (15, 44541), (21, 31815), (27, 24745), (35, 19089), (45, 14847), (49, 13635), (63, 10605), (101, 6615), (105, 6363), (135, 4949), (147, 4545), (189, 3535), (245, 2727), (303, 2205), (315, 2121), (441, 1515), (505, 1323), (707, 945), (735, 909)]