978971265

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{142189}}^1$

素因数の和:142223

約数の個数: 40

約数和(自身を含む): 1858138920

約数和(自身を除く): 879167655

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 142189, 426567, 710945, 1279701, 2132835, 2417213, 3839103, 6398505, 7251639, 11517309, 12086065, 19195515, 21754917, 36258195, 57586545, 65264751, 108774585, 195794253, 326323755, 978971265]

約数ペア:

[(1, 978971265), (3, 326323755), (5, 195794253), (9, 108774585), (15, 65264751), (17, 57586545), (27, 36258195), (45, 21754917), (51, 19195515), (81, 12086065), (85, 11517309), (135, 7251639), (153, 6398505), (255, 3839103), (405, 2417213), (459, 2132835), (765, 1279701), (1377, 710945), (2295, 426567), (6885, 142189)]