81969135549

素因数分解:

$3^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{1667}}^1\times {\mathrm{2003}}^1$

素因数の和:3854

約数の個数: 48

約数和(自身を含む): 128037708288

約数和(自身を除く): 46068572739

約数列:

[1, 3, 7, 21, 49, 147, 167, 501, 1169, 1667, 2003, 3507, 5001, 6009, 8183, 11669, 14021, 24549, 35007, 42063, 81683, 98147, 245049, 278389, 294441, 334501, 835167, 1003503, 1948723, 2341507, 3339001, 5846169, 7024521, 10017003, 13641061, 16390549, 23373007, 40923183, 49171647, 70119021, 163611049, 490833147, 557613167, 1672839501, 3903292169, 11709876507, 27323045183, 81969135549]

約数ペア:

[(1, 81969135549), (3, 27323045183), (7, 11709876507), (21, 3903292169), (49, 1672839501), (147, 557613167), (167, 490833147), (501, 163611049), (1169, 70119021), (1667, 49171647), (2003, 40923183), (3507, 23373007), (5001, 16390549), (6009, 13641061), (8183, 10017003), (11669, 7024521), (14021, 5846169), (24549, 3339001), (35007, 2341507), (42063, 1948723), (81683, 1003503), (98147, 835167), (245049, 334501), (278389, 294441)]