16989345

素因数分解:

$3^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 56

約数和(自身を含む): 31478400

約数和(自身を除く): 14489055

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 79, 81, 135, 177, 237, 243, 295, 395, 405, 531, 711, 729, 885, 1185, 1215, 1593, 2133, 2655, 3555, 3645, 4661, 4779, 6399, 7965, 10665, 13983, 14337, 19197, 23305, 23895, 31995, 41949, 43011, 57591, 69915, 71685, 95985, 125847, 209745, 215055, 287955, 377541, 629235, 1132623, 1887705, 3397869, 5663115, 16989345]

約数ペア:

[(1, 16989345), (3, 5663115), (5, 3397869), (9, 1887705), (15, 1132623), (27, 629235), (45, 377541), (59, 287955), (79, 215055), (81, 209745), (135, 125847), (177, 95985), (237, 71685), (243, 69915), (295, 57591), (395, 43011), (405, 41949), (531, 31995), (711, 23895), (729, 23305), (885, 19197), (1185, 14337), (1215, 13983), (1593, 10665), (2133, 7965), (2655, 6399), (3555, 4779), (3645, 4661)]