179664009

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2939}}^1$

素因数の和:3061

約数の個数: 32

約数和(自身を含む): 284497920

約数和(自身を除く): 104833911

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 287, 497, 861, 1491, 2911, 2939, 8733, 8817, 20377, 20573, 61131, 61719, 120499, 208669, 361497, 626007, 843493, 1460683, 2530479, 4382049, 8555429, 25666287, 59888003, 179664009]

約数ペア:

[(1, 179664009), (3, 59888003), (7, 25666287), (21, 8555429), (41, 4382049), (71, 2530479), (123, 1460683), (213, 843493), (287, 626007), (497, 361497), (861, 208669), (1491, 120499), (2911, 61719), (2939, 61131), (8733, 20573), (8817, 20377)]