42081291

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 74280960

約数和(自身を除く): 32199669

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 609, 651, 743, 899, 1827, 1953, 2229, 2697, 5201, 6293, 6687, 8091, 15603, 18879, 21547, 23033, 46809, 56637, 64641, 69099, 150829, 161231, 193923, 207297, 452487, 483693, 667957, 1357461, 1451079, 2003871, 4675699, 6011613, 14027097, 42081291]

約数ペア:

[(1, 42081291), (3, 14027097), (7, 6011613), (9, 4675699), (21, 2003871), (29, 1451079), (31, 1357461), (63, 667957), (87, 483693), (93, 452487), (203, 207297), (217, 193923), (261, 161231), (279, 150829), (609, 69099), (651, 64641), (743, 56637), (899, 46809), (1827, 23033), (1953, 21547), (2229, 18879), (2697, 15603), (5201, 8091), (6293, 6687)]