87740499

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19991}}^1$

素因数の和:20031

約数の個数: 32

約数和(自身を含む): 153538560

約数和(自身を除く): 65798061

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 19991, 59973, 139937, 219901, 379829, 419811, 659703, 1139487, 1539307, 2658803, 4178119, 4617921, 7976409, 12534357, 29246833, 87740499]

約数ペア:

[(1, 87740499), (3, 29246833), (7, 12534357), (11, 7976409), (19, 4617921), (21, 4178119), (33, 2658803), (57, 1539307), (77, 1139487), (133, 659703), (209, 419811), (231, 379829), (399, 219901), (627, 139937), (1463, 59973), (4389, 19991)]