399857493

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3019}}^1$

素因数の和:3106

約数の個数: 48

約数和(自身を含む): 669280320

約数和(自身を除く): 269422827

約数列:

[1, 3, 7, 17, 21, 49, 51, 53, 119, 147, 159, 357, 371, 833, 901, 1113, 2499, 2597, 2703, 3019, 6307, 7791, 9057, 18921, 21133, 44149, 51323, 63399, 132447, 147931, 153969, 160007, 359261, 443793, 480021, 1077783, 1120049, 2514827, 2720119, 3360147, 7544481, 7840343, 8160357, 19040833, 23521029, 57122499, 133285831, 399857493]

約数ペア:

[(1, 399857493), (3, 133285831), (7, 57122499), (17, 23521029), (21, 19040833), (49, 8160357), (51, 7840343), (53, 7544481), (119, 3360147), (147, 2720119), (159, 2514827), (357, 1120049), (371, 1077783), (833, 480021), (901, 443793), (1113, 359261), (2499, 160007), (2597, 153969), (2703, 147931), (3019, 132447), (6307, 63399), (7791, 51323), (9057, 44149), (18921, 21133)]