201645531

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 319038720

約数和(自身を除く): 117393189

約数列:

[1, 3, 9, 23, 27, 69, 81, 109, 207, 243, 327, 331, 621, 981, 993, 1863, 2507, 2943, 2979, 5589, 7521, 7613, 8829, 8937, 22563, 22839, 26487, 26811, 36079, 67689, 68517, 80433, 108237, 203067, 205551, 324711, 609201, 616653, 829817, 974133, 1849959, 2489451, 2922399, 7468353, 8767197, 22405059, 67215177, 201645531]

約数ペア:

[(1, 201645531), (3, 67215177), (9, 22405059), (23, 8767197), (27, 7468353), (69, 2922399), (81, 2489451), (109, 1849959), (207, 974133), (243, 829817), (327, 616653), (331, 609201), (621, 324711), (981, 205551), (993, 203067), (1863, 108237), (2507, 80433), (2943, 68517), (2979, 67689), (5589, 36079), (7521, 26811), (7613, 26487), (8829, 22839), (8937, 22563)]