1664793

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 2935296

約数和(自身を除く): 1270503

約数列:

[1, 3, 9, 13, 17, 27, 31, 39, 51, 81, 93, 117, 153, 221, 243, 279, 351, 403, 459, 527, 663, 837, 1053, 1209, 1377, 1581, 1989, 2511, 3159, 3627, 4131, 4743, 5967, 6851, 7533, 10881, 14229, 17901, 20553, 32643, 42687, 53703, 61659, 97929, 128061, 184977, 554931, 1664793]

約数ペア:

[(1, 1664793), (3, 554931), (9, 184977), (13, 128061), (17, 97929), (27, 61659), (31, 53703), (39, 42687), (51, 32643), (81, 20553), (93, 17901), (117, 14229), (153, 10881), (221, 7533), (243, 6851), (279, 5967), (351, 4743), (403, 4131), (459, 3627), (527, 3159), (663, 2511), (837, 1989), (1053, 1581), (1209, 1377)]