30972963

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 50526720

約数和(自身を除く): 19553757

約数列:

[1, 3, 7, 17, 21, 51, 101, 119, 303, 357, 707, 859, 1717, 2121, 2577, 5151, 6013, 12019, 14603, 18039, 36057, 43809, 86759, 102221, 260277, 306663, 607313, 1474903, 1821939, 4424709, 10324321, 30972963]

約数ペア:

[(1, 30972963), (3, 10324321), (7, 4424709), (17, 1821939), (21, 1474903), (51, 607313), (101, 306663), (119, 260277), (303, 102221), (357, 86759), (707, 43809), (859, 36057), (1717, 18039), (2121, 14603), (2577, 12019), (5151, 6013)]