1311919125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{881}}^1$

素因数の和:948

約数の個数: 96

約数和(自身を含む): 2516282496

約数和(自身を除く): 1204363371

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 125, 165, 209, 275, 285, 361, 375, 475, 627, 825, 881, 1045, 1083, 1375, 1425, 1805, 2375, 2643, 3135, 3971, 4125, 4405, 5225, 5415, 7125, 9025, 9691, 11913, 13215, 15675, 16739, 19855, 22025, 26125, 27075, 29073, 45125, 48455, 50217, 59565, 66075, 78375, 83695, 99275, 110125, 135375, 145365, 184129, 242275, 251085, 297825, 318041, 330375, 418475, 496375, 552387, 726825, 920645, 954123, 1211375, 1255425, 1489125, 1590205, 2092375, 2761935, 3498451, 3634125, 4603225, 4770615, 6277125, 7951025, 10495353, 13809675, 17492255, 23016125, 23853075, 39755125, 52476765, 69048375, 87461275, 119265375, 262383825, 437306375, 1311919125]

約数ペア:

[(1, 1311919125), (3, 437306375), (5, 262383825), (11, 119265375), (15, 87461275), (19, 69048375), (25, 52476765), (33, 39755125), (55, 23853075), (57, 23016125), (75, 17492255), (95, 13809675), (125, 10495353), (165, 7951025), (209, 6277125), (275, 4770615), (285, 4603225), (361, 3634125), (375, 3498451), (475, 2761935), (627, 2092375), (825, 1590205), (881, 1489125), (1045, 1255425), (1083, 1211375), (1375, 954123), (1425, 920645), (1805, 726825), (2375, 552387), (2643, 496375), (3135, 418475), (3971, 330375), (4125, 318041), (4405, 297825), (5225, 251085), (5415, 242275), (7125, 184129), (9025, 145365), (9691, 135375), (11913, 110125), (13215, 99275), (15675, 83695), (16739, 78375), (19855, 66075), (22025, 59565), (26125, 50217), (27075, 48455), (29073, 45125)]