81503388

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{39719}}^1$

素因数の和:39751

約数の個数: 48

約数和(自身を含む): 222432000

約数和(自身を除く): 140928612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 39719, 79438, 119157, 158876, 238314, 357471, 476628, 714942, 754661, 1072413, 1429884, 1509322, 2144826, 2263983, 3018644, 4289652, 4527966, 6791949, 9055932, 13583898, 20375847, 27167796, 40751694, 81503388]

約数ペア:

[(1, 81503388), (2, 40751694), (3, 27167796), (4, 20375847), (6, 13583898), (9, 9055932), (12, 6791949), (18, 4527966), (19, 4289652), (27, 3018644), (36, 2263983), (38, 2144826), (54, 1509322), (57, 1429884), (76, 1072413), (108, 754661), (114, 714942), (171, 476628), (228, 357471), (342, 238314), (513, 158876), (684, 119157), (1026, 79438), (2052, 39719)]