78520851

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 115871184

約数和(自身を除く): 37350333

約数列:

[1, 3, 9, 67, 197, 201, 591, 603, 661, 1773, 1983, 5949, 13199, 39597, 44287, 118791, 130217, 132861, 390651, 398583, 1171953, 8724539, 26173617, 78520851]

約数ペア:

[(1, 78520851), (3, 26173617), (9, 8724539), (67, 1171953), (197, 398583), (201, 390651), (591, 132861), (603, 130217), (661, 118791), (1773, 44287), (1983, 39597), (5949, 13199)]