229740021

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 386964864

約数和(自身を除く): 157224843

約数列:

[1, 3, 7, 9, 21, 63, 107, 173, 197, 321, 519, 591, 749, 963, 1211, 1379, 1557, 1773, 2247, 3633, 4137, 6741, 10899, 12411, 18511, 21079, 34081, 55533, 63237, 102243, 129577, 147553, 166599, 189711, 238567, 306729, 388731, 442659, 715701, 1166193, 1327977, 2147103, 3646667, 10940001, 25526669, 32820003, 76580007, 229740021]

約数ペア:

[(1, 229740021), (3, 76580007), (7, 32820003), (9, 25526669), (21, 10940001), (63, 3646667), (107, 2147103), (173, 1327977), (197, 1166193), (321, 715701), (519, 442659), (591, 388731), (749, 306729), (963, 238567), (1211, 189711), (1379, 166599), (1557, 147553), (1773, 129577), (2247, 102243), (3633, 63237), (4137, 55533), (6741, 34081), (10899, 21079), (12411, 18511)]