42421113

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 76826880

約数和(自身を除く): 34405767

約数列:

[1, 3, 7, 9, 21, 29, 31, 49, 63, 87, 93, 107, 147, 203, 217, 261, 279, 321, 441, 609, 651, 749, 899, 963, 1421, 1519, 1827, 1953, 2247, 2697, 3103, 3317, 4263, 4557, 5243, 6293, 6741, 8091, 9309, 9951, 12789, 13671, 15729, 18879, 21721, 23219, 27927, 29853, 44051, 47187, 56637, 65163, 69657, 96193, 132153, 152047, 162533, 195489, 208971, 288579, 396459, 456141, 487599, 673351, 865737, 1368423, 1462797, 2020053, 4713457, 6060159, 14140371, 42421113]

約数ペア:

[(1, 42421113), (3, 14140371), (7, 6060159), (9, 4713457), (21, 2020053), (29, 1462797), (31, 1368423), (49, 865737), (63, 673351), (87, 487599), (93, 456141), (107, 396459), (147, 288579), (203, 208971), (217, 195489), (261, 162533), (279, 152047), (321, 132153), (441, 96193), (609, 69657), (651, 65163), (749, 56637), (899, 47187), (963, 44051), (1421, 29853), (1519, 27927), (1827, 23219), (1953, 21721), (2247, 18879), (2697, 15729), (3103, 13671), (3317, 12789), (4263, 9951), (4557, 9309), (5243, 8091), (6293, 6741)]