28344687

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 46648800

約数和(自身を除く): 18304113

約数列:

[1, 3, 7, 21, 29, 49, 61, 87, 109, 147, 183, 203, 327, 427, 609, 763, 1281, 1421, 1769, 2289, 2989, 3161, 4263, 5307, 5341, 6649, 8967, 9483, 12383, 16023, 19947, 22127, 37149, 46543, 66381, 86681, 139629, 154889, 192821, 260043, 325801, 464667, 578463, 977403, 1349747, 4049241, 9448229, 28344687]

約数ペア:

[(1, 28344687), (3, 9448229), (7, 4049241), (21, 1349747), (29, 977403), (49, 578463), (61, 464667), (87, 325801), (109, 260043), (147, 192821), (183, 154889), (203, 139629), (327, 86681), (427, 66381), (609, 46543), (763, 37149), (1281, 22127), (1421, 19947), (1769, 16023), (2289, 12383), (2989, 9483), (3161, 8967), (4263, 6649), (5307, 5341)]