1289967

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 2142720

約数和(自身を除く): 852753

約数列:

[1, 3, 7, 19, 21, 53, 57, 61, 133, 159, 183, 371, 399, 427, 1007, 1113, 1159, 1281, 3021, 3233, 3477, 7049, 8113, 9699, 21147, 22631, 24339, 61427, 67893, 184281, 429989, 1289967]

約数ペア:

[(1, 1289967), (3, 429989), (7, 184281), (19, 67893), (21, 61427), (53, 24339), (57, 22631), (61, 21147), (133, 9699), (159, 8113), (183, 7049), (371, 3477), (399, 3233), (427, 3021), (1007, 1281), (1113, 1159)]