1891755

素因数分解:

$3^7\times 5^1\times {\mathrm{173}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 3424320

約数和(自身を除く): 1532565

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 243, 405, 519, 729, 865, 1215, 1557, 2187, 2595, 3645, 4671, 7785, 10935, 14013, 23355, 42039, 70065, 126117, 210195, 378351, 630585, 1891755]

約数ペア:

[(1, 1891755), (3, 630585), (5, 378351), (9, 210195), (15, 126117), (27, 70065), (45, 42039), (81, 23355), (135, 14013), (173, 10935), (243, 7785), (405, 4671), (519, 3645), (729, 2595), (865, 2187), (1215, 1557)]