13721961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 21150720

約数和(自身を除く): 7428759

約数列:

[1, 3, 11, 23, 33, 69, 101, 179, 253, 303, 537, 759, 1111, 1969, 2323, 3333, 4117, 5907, 6969, 12351, 18079, 25553, 45287, 54237, 76659, 135861, 198869, 415817, 596607, 1247451, 4573987, 13721961]

約数ペア:

[(1, 13721961), (3, 4573987), (11, 1247451), (23, 596607), (33, 415817), (69, 198869), (101, 135861), (179, 76659), (253, 54237), (303, 45287), (537, 25553), (759, 18079), (1111, 12351), (1969, 6969), (2323, 5907), (3333, 4117)]