728289945

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{6949}}^1$

素因数の和:7114

約数の個数: 48

約数和(自身を含む): 1346576400

約数和(自身を除く): 618286455

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 137, 153, 255, 411, 685, 765, 1233, 2055, 2329, 6165, 6949, 6987, 11645, 20847, 20961, 34745, 34935, 62541, 104235, 104805, 118133, 312705, 354399, 590665, 952013, 1063197, 1771995, 2856039, 4760065, 5315985, 8568117, 14280195, 16184221, 42840585, 48552663, 80921105, 145657989, 242763315, 728289945]

約数ペア:

[(1, 728289945), (3, 242763315), (5, 145657989), (9, 80921105), (15, 48552663), (17, 42840585), (45, 16184221), (51, 14280195), (85, 8568117), (137, 5315985), (153, 4760065), (255, 2856039), (411, 1771995), (685, 1063197), (765, 952013), (1233, 590665), (2055, 354399), (2329, 312705), (6165, 118133), (6949, 104805), (6987, 104235), (11645, 62541), (20847, 34935), (20961, 34745)]