81517881

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 34603719

約数列:

[1, 3, 41, 47, 59, 123, 141, 177, 239, 717, 1927, 2419, 2773, 5781, 7257, 8319, 9799, 11233, 14101, 29397, 33699, 42303, 113693, 341079, 460553, 578141, 662747, 1381659, 1734423, 1988241, 27172627, 81517881]

約数ペア:

[(1, 81517881), (3, 27172627), (41, 1988241), (47, 1734423), (59, 1381659), (123, 662747), (141, 578141), (177, 460553), (239, 341079), (717, 113693), (1927, 42303), (2419, 33699), (2773, 29397), (5781, 14101), (7257, 11233), (8319, 9799)]