1974987

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 3594240

約数和(自身を除く): 1619253

約数列:

[1, 3, 7, 9, 21, 23, 29, 47, 63, 69, 87, 141, 161, 203, 207, 261, 329, 423, 483, 609, 667, 987, 1081, 1363, 1449, 1827, 2001, 2961, 3243, 4089, 4669, 6003, 7567, 9541, 9729, 12267, 14007, 22701, 28623, 31349, 42021, 68103, 85869, 94047, 219443, 282141, 658329, 1974987]

約数ペア:

[(1, 1974987), (3, 658329), (7, 282141), (9, 219443), (21, 94047), (23, 85869), (29, 68103), (47, 42021), (63, 31349), (69, 28623), (87, 22701), (141, 14007), (161, 12267), (203, 9729), (207, 9541), (261, 7567), (329, 6003), (423, 4669), (483, 4089), (609, 3243), (667, 2961), (987, 2001), (1081, 1827), (1363, 1449)]