9947931

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 16634880

約数和(自身を除く): 6686949

約数列:

[1, 3, 7, 21, 31, 37, 49, 59, 93, 111, 147, 177, 217, 259, 413, 651, 777, 1147, 1239, 1519, 1813, 1829, 2183, 2891, 3441, 4557, 5439, 5487, 6549, 8029, 8673, 12803, 15281, 24087, 38409, 45843, 56203, 67673, 89621, 106967, 168609, 203019, 268863, 320901, 473711, 1421133, 3315977, 9947931]

約数ペア:

[(1, 9947931), (3, 3315977), (7, 1421133), (21, 473711), (31, 320901), (37, 268863), (49, 203019), (59, 168609), (93, 106967), (111, 89621), (147, 67673), (177, 56203), (217, 45843), (259, 38409), (413, 24087), (651, 15281), (777, 12803), (1147, 8673), (1239, 8029), (1519, 6549), (1813, 5487), (1829, 5439), (2183, 4557), (2891, 3441)]