2004345

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{101}}^1$

素因数の和:132

約数の個数: 60

約数和(自身を含む): 4220964

約数和(自身を除く): 2216619

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 101, 105, 135, 147, 189, 245, 303, 315, 405, 441, 505, 567, 707, 735, 909, 945, 1323, 1515, 2121, 2205, 2727, 2835, 3535, 3969, 4545, 4949, 6363, 6615, 8181, 10605, 13635, 14847, 19089, 19845, 24745, 31815, 40905, 44541, 57267, 74235, 95445, 133623, 222705, 286335, 400869, 668115, 2004345]

約数ペア:

[(1, 2004345), (3, 668115), (5, 400869), (7, 286335), (9, 222705), (15, 133623), (21, 95445), (27, 74235), (35, 57267), (45, 44541), (49, 40905), (63, 31815), (81, 24745), (101, 19845), (105, 19089), (135, 14847), (147, 13635), (189, 10605), (245, 8181), (303, 6615), (315, 6363), (405, 4949), (441, 4545), (505, 3969), (567, 3535), (707, 2835), (735, 2727), (909, 2205), (945, 2121), (1323, 1515)]