180640719

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10739}}^1$

素因数の和:10844

約数の個数: 32

約数和(自身を含む): 309312000

約数和(自身を除く): 128671281

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1869, 2403, 5607, 10739, 16821, 32217, 75173, 96651, 225519, 289953, 676557, 955771, 2029671, 2867313, 6690397, 8601939, 20071191, 25805817, 60213573, 180640719]

約数ペア:

[(1, 180640719), (3, 60213573), (7, 25805817), (9, 20071191), (21, 8601939), (27, 6690397), (63, 2867313), (89, 2029671), (189, 955771), (267, 676557), (623, 289953), (801, 225519), (1869, 96651), (2403, 75173), (5607, 32217), (10739, 16821)]