211421133

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1135

約数の個数: 72

約数和(自身を含む): 397365696

約数和(自身を除く): 185944563

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 49, 63, 77, 99, 123, 147, 231, 287, 369, 441, 451, 539, 693, 861, 1063, 1353, 1617, 2009, 2583, 3157, 3189, 4059, 4851, 6027, 7441, 9471, 9567, 11693, 18081, 22099, 22323, 28413, 35079, 43583, 52087, 66297, 66969, 81851, 105237, 130749, 156261, 198891, 245553, 305081, 392247, 468783, 479413, 572957, 736659, 915243, 1438239, 1718871, 2135567, 2745729, 3355891, 4314717, 5156613, 6406701, 10067673, 19220103, 23491237, 30203019, 70473711, 211421133]

約数ペア:

[(1, 211421133), (3, 70473711), (7, 30203019), (9, 23491237), (11, 19220103), (21, 10067673), (33, 6406701), (41, 5156613), (49, 4314717), (63, 3355891), (77, 2745729), (99, 2135567), (123, 1718871), (147, 1438239), (231, 915243), (287, 736659), (369, 572957), (441, 479413), (451, 468783), (539, 392247), (693, 305081), (861, 245553), (1063, 198891), (1353, 156261), (1617, 130749), (2009, 105237), (2583, 81851), (3157, 66969), (3189, 66297), (4059, 52087), (4851, 43583), (6027, 35079), (7441, 28413), (9471, 22323), (9567, 22099), (11693, 18081)]