42756921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 68612544

約数和(自身を除く): 25855623

約数列:

[1, 3, 9, 17, 43, 51, 67, 97, 129, 153, 201, 291, 387, 603, 731, 873, 1139, 1649, 2193, 2881, 3417, 4171, 4947, 6499, 6579, 8643, 10251, 12513, 14841, 19497, 25929, 37539, 48977, 58491, 70907, 110483, 146931, 212721, 279457, 331449, 440793, 638163, 838371, 994347, 2515113, 4750769, 14252307, 42756921]

約数ペア:

[(1, 42756921), (3, 14252307), (9, 4750769), (17, 2515113), (43, 994347), (51, 838371), (67, 638163), (97, 440793), (129, 331449), (153, 279457), (201, 212721), (291, 146931), (387, 110483), (603, 70907), (731, 58491), (873, 48977), (1139, 37539), (1649, 25929), (2193, 19497), (2881, 14841), (3417, 12513), (4171, 10251), (4947, 8643), (6499, 6579)]