128549835

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18671}}^1$

素因数の和:18705

約数の個数: 40

約数和(自身を含む): 244005696

約数和(自身を除く): 115455861

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 18671, 56013, 93355, 168039, 280065, 317407, 504117, 840195, 952221, 1512351, 1587035, 2520585, 2856663, 4761105, 7561755, 8569989, 14283315, 25709967, 42849945, 128549835]

約数ペア:

[(1, 128549835), (3, 42849945), (5, 25709967), (9, 14283315), (15, 8569989), (17, 7561755), (27, 4761105), (45, 2856663), (51, 2520585), (81, 1587035), (85, 1512351), (135, 952221), (153, 840195), (255, 504117), (405, 317407), (459, 280065), (765, 168039), (1377, 93355), (2295, 56013), (6885, 18671)]