18319329

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 32248320

約数和(自身を除く): 13928991

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 259, 261, 271, 333, 609, 777, 813, 1073, 1827, 1897, 2331, 2439, 3219, 5691, 7511, 7859, 9657, 10027, 17073, 22533, 23577, 30081, 55013, 67599, 70189, 70731, 90243, 165039, 210567, 290783, 495117, 631701, 872349, 2035481, 2617047, 6106443, 18319329]

約数ペア:

[(1, 18319329), (3, 6106443), (7, 2617047), (9, 2035481), (21, 872349), (29, 631701), (37, 495117), (63, 290783), (87, 210567), (111, 165039), (203, 90243), (259, 70731), (261, 70189), (271, 67599), (333, 55013), (609, 30081), (777, 23577), (813, 22533), (1073, 17073), (1827, 10027), (1897, 9657), (2331, 7859), (2439, 7511), (3219, 5691)]