81141345

素因数分解:

$3^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 56

約数和(自身を含む): 148027176

約数和(自身を除く): 66885831

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 113, 135, 197, 243, 339, 405, 565, 591, 729, 985, 1017, 1215, 1695, 1773, 2955, 3051, 3645, 5085, 5319, 8865, 9153, 15255, 15957, 22261, 26595, 27459, 45765, 47871, 66783, 79785, 82377, 111305, 137295, 143613, 200349, 239355, 333915, 411885, 601047, 718065, 1001745, 1803141, 3005235, 5409423, 9015705, 16228269, 27047115, 81141345]

約数ペア:

[(1, 81141345), (3, 27047115), (5, 16228269), (9, 9015705), (15, 5409423), (27, 3005235), (45, 1803141), (81, 1001745), (113, 718065), (135, 601047), (197, 411885), (243, 333915), (339, 239355), (405, 200349), (565, 143613), (591, 137295), (729, 111305), (985, 82377), (1017, 79785), (1215, 66783), (1695, 47871), (1773, 45765), (2955, 27459), (3051, 26595), (3645, 22261), (5085, 15957), (5319, 15255), (8865, 9153)]