12982221

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 22176000

約数和(自身を除く): 9193779

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 461, 1043, 1341, 1383, 3129, 3227, 4023, 4149, 9387, 9681, 12447, 28161, 29043, 68689, 87129, 206067, 480823, 618201, 1442469, 1854603, 4327407, 12982221]

約数ペア:

[(1, 12982221), (3, 4327407), (7, 1854603), (9, 1442469), (21, 618201), (27, 480823), (63, 206067), (149, 87129), (189, 68689), (447, 29043), (461, 28161), (1043, 12447), (1341, 9681), (1383, 9387), (3129, 4149), (3227, 4023)]