219712941

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1061}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 384359040

約数和(自身を除く): 164646099

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 173, 399, 519, 1061, 1197, 1211, 1557, 3183, 3287, 3633, 7427, 9549, 9861, 10899, 20159, 22281, 23009, 29583, 60477, 66843, 69027, 141113, 181431, 183553, 207081, 423339, 550659, 1270017, 1284871, 1651977, 3487507, 3854613, 10462521, 11563839, 24412549, 31387563, 73237647, 219712941]

約数ペア:

[(1, 219712941), (3, 73237647), (7, 31387563), (9, 24412549), (19, 11563839), (21, 10462521), (57, 3854613), (63, 3487507), (133, 1651977), (171, 1284871), (173, 1270017), (399, 550659), (519, 423339), (1061, 207081), (1197, 183553), (1211, 181431), (1557, 141113), (3183, 69027), (3287, 66843), (3633, 60477), (7427, 29583), (9549, 23009), (9861, 22281), (10899, 20159)]