78378909

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 124416000

約数和(自身を除く): 46037091

約数列:

[1, 3, 7, 21, 29, 87, 179, 203, 537, 609, 719, 1253, 2157, 3759, 5033, 5191, 15099, 15573, 20851, 36337, 62553, 109011, 128701, 145957, 386103, 437871, 900907, 2702721, 3732329, 11196987, 26126303, 78378909]

約数ペア:

[(1, 78378909), (3, 26126303), (7, 11196987), (21, 3732329), (29, 2702721), (87, 900907), (179, 437871), (203, 386103), (537, 145957), (609, 128701), (719, 109011), (1253, 62553), (2157, 36337), (3759, 20851), (5033, 15573), (5191, 15099)]