30921723

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^2$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 54389760

約数和(自身を除く): 23468037

約数列:

[1, 3, 7, 9, 21, 27, 47, 59, 63, 141, 177, 189, 329, 413, 423, 531, 987, 1239, 1269, 1593, 2773, 2961, 3481, 3717, 8319, 8883, 10443, 11151, 19411, 24367, 24957, 31329, 58233, 73101, 74871, 93987, 163607, 174699, 219303, 490821, 524097, 657909, 1145249, 1472463, 3435747, 4417389, 10307241, 30921723]

約数ペア:

[(1, 30921723), (3, 10307241), (7, 4417389), (9, 3435747), (21, 1472463), (27, 1145249), (47, 657909), (59, 524097), (63, 490821), (141, 219303), (177, 174699), (189, 163607), (329, 93987), (413, 74871), (423, 73101), (531, 58233), (987, 31329), (1239, 24957), (1269, 24367), (1593, 19411), (2773, 11151), (2961, 10443), (3481, 8883), (3717, 8319)]