30990729

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 25779831

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 57, 69, 77, 133, 161, 209, 231, 253, 307, 399, 437, 483, 627, 759, 921, 1311, 1463, 1771, 2149, 3059, 3377, 4389, 4807, 5313, 5833, 6447, 7061, 9177, 10131, 14421, 17499, 21183, 23639, 33649, 40831, 49427, 64163, 70917, 77671, 100947, 122493, 134159, 148281, 192489, 233013, 402477, 449141, 543697, 939113, 1347423, 1475749, 1631091, 2817339, 4427247, 10330243, 30990729]

約数ペア:

[(1, 30990729), (3, 10330243), (7, 4427247), (11, 2817339), (19, 1631091), (21, 1475749), (23, 1347423), (33, 939113), (57, 543697), (69, 449141), (77, 402477), (133, 233013), (161, 192489), (209, 148281), (231, 134159), (253, 122493), (307, 100947), (399, 77671), (437, 70917), (483, 64163), (627, 49427), (759, 40831), (921, 33649), (1311, 23639), (1463, 21183), (1771, 17499), (2149, 14421), (3059, 10131), (3377, 9177), (4389, 7061), (4807, 6447), (5313, 5833)]