81690012

素因数分解:

$2^2\times 3^3\times {\mathrm{101}}^1\times {\mathrm{7489}}^1$

素因数の和:7603

約数の個数: 48

約数和(自身を含む): 213914400

約数和(自身を除く): 132224388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 101, 108, 202, 303, 404, 606, 909, 1212, 1818, 2727, 3636, 5454, 7489, 10908, 14978, 22467, 29956, 44934, 67401, 89868, 134802, 202203, 269604, 404406, 756389, 808812, 1512778, 2269167, 3025556, 4538334, 6807501, 9076668, 13615002, 20422503, 27230004, 40845006, 81690012]

約数ペア:

[(1, 81690012), (2, 40845006), (3, 27230004), (4, 20422503), (6, 13615002), (9, 9076668), (12, 6807501), (18, 4538334), (27, 3025556), (36, 2269167), (54, 1512778), (101, 808812), (108, 756389), (202, 404406), (303, 269604), (404, 202203), (606, 134802), (909, 89868), (1212, 67401), (1818, 44934), (2727, 29956), (3636, 22467), (5454, 14978), (7489, 10908)]