81204156

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4363}}^1$

素因数の和:4431

約数の個数: 72

約数和(自身を含む): 228743424

約数和(自身を除く): 147539268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 94, 99, 132, 141, 188, 198, 282, 396, 423, 517, 564, 846, 1034, 1551, 1692, 2068, 3102, 4363, 4653, 6204, 8726, 9306, 13089, 17452, 18612, 26178, 39267, 47993, 52356, 78534, 95986, 143979, 157068, 191972, 205061, 287958, 410122, 431937, 575916, 615183, 820244, 863874, 1230366, 1727748, 1845549, 2255671, 2460732, 3691098, 4511342, 6767013, 7382196, 9022684, 13534026, 20301039, 27068052, 40602078, 81204156]

約数ペア:

[(1, 81204156), (2, 40602078), (3, 27068052), (4, 20301039), (6, 13534026), (9, 9022684), (11, 7382196), (12, 6767013), (18, 4511342), (22, 3691098), (33, 2460732), (36, 2255671), (44, 1845549), (47, 1727748), (66, 1230366), (94, 863874), (99, 820244), (132, 615183), (141, 575916), (188, 431937), (198, 410122), (282, 287958), (396, 205061), (423, 191972), (517, 157068), (564, 143979), (846, 95986), (1034, 78534), (1551, 52356), (1692, 47993), (2068, 39267), (3102, 26178), (4363, 18612), (4653, 17452), (6204, 13089), (8726, 9306)]