81109119

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{823}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 140646912

約数和(自身を除く): 59537793

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 361, 399, 741, 823, 1083, 1729, 2469, 2527, 4693, 5187, 5761, 7581, 10699, 14079, 15637, 17283, 32097, 32851, 46911, 74893, 98553, 109459, 203281, 224679, 297103, 328377, 609843, 891309, 1422967, 2079721, 3862339, 4268901, 6239163, 11587017, 27036373, 81109119]

約数ペア:

[(1, 81109119), (3, 27036373), (7, 11587017), (13, 6239163), (19, 4268901), (21, 3862339), (39, 2079721), (57, 1422967), (91, 891309), (133, 609843), (247, 328377), (273, 297103), (361, 224679), (399, 203281), (741, 109459), (823, 98553), (1083, 74893), (1729, 46911), (2469, 32851), (2527, 32097), (4693, 17283), (5187, 15637), (5761, 14079), (7581, 10699)]