391438509

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 680470560

約数和(自身を除く): 289032051

約数列:

[1, 3, 7, 11, 21, 33, 49, 59, 77, 121, 147, 177, 231, 363, 373, 413, 539, 649, 847, 1119, 1239, 1617, 1947, 2541, 2611, 2891, 4103, 4543, 5929, 7139, 7833, 8673, 12309, 13629, 17787, 18277, 21417, 22007, 28721, 31801, 45133, 49973, 54831, 66021, 86163, 95403, 135399, 149919, 154049, 201047, 242077, 315931, 349811, 462147, 603141, 726231, 947793, 1049433, 1078343, 1694539, 2211517, 2662847, 3235029, 5083617, 6634551, 7988541, 11861773, 18639929, 35585319, 55919787, 130479503, 391438509]

約数ペア:

[(1, 391438509), (3, 130479503), (7, 55919787), (11, 35585319), (21, 18639929), (33, 11861773), (49, 7988541), (59, 6634551), (77, 5083617), (121, 3235029), (147, 2662847), (177, 2211517), (231, 1694539), (363, 1078343), (373, 1049433), (413, 947793), (539, 726231), (649, 603141), (847, 462147), (1119, 349811), (1239, 315931), (1617, 242077), (1947, 201047), (2541, 154049), (2611, 149919), (2891, 135399), (4103, 95403), (4543, 86163), (5929, 66021), (7139, 54831), (7833, 49973), (8673, 45133), (12309, 31801), (13629, 28721), (17787, 22007), (18277, 21417)]