30121973

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 38860800

約数和(自身を除く): 8738827

約数列:

[1, 7, 19, 23, 43, 133, 161, 229, 301, 437, 817, 989, 1603, 3059, 4351, 5267, 5719, 6923, 9847, 18791, 30457, 36869, 68929, 100073, 131537, 187093, 226481, 700511, 1309651, 1585367, 4303139, 30121973]

約数ペア:

[(1, 30121973), (7, 4303139), (19, 1585367), (23, 1309651), (43, 700511), (133, 226481), (161, 187093), (229, 131537), (301, 100073), (437, 68929), (817, 36869), (989, 30457), (1603, 18791), (3059, 9847), (4351, 6923), (5267, 5719)]