520070409

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 848378880

約数和(自身を除く): 328308471

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 113, 153, 271, 333, 339, 459, 629, 813, 999, 1017, 1887, 1921, 2439, 3051, 4181, 4607, 5661, 5763, 7317, 10027, 12543, 13821, 16983, 17289, 30081, 30623, 37629, 41463, 51867, 71077, 90243, 91869, 112887, 124389, 170459, 213231, 270729, 275607, 511377, 520591, 639693, 826821, 1133051, 1534131, 1561773, 1919079, 3399153, 4602393, 4685319, 10197459, 14055957, 19261867, 30592377, 57785601, 173356803, 520070409]

約数ペア:

[(1, 520070409), (3, 173356803), (9, 57785601), (17, 30592377), (27, 19261867), (37, 14055957), (51, 10197459), (111, 4685319), (113, 4602393), (153, 3399153), (271, 1919079), (333, 1561773), (339, 1534131), (459, 1133051), (629, 826821), (813, 639693), (999, 520591), (1017, 511377), (1887, 275607), (1921, 270729), (2439, 213231), (3051, 170459), (4181, 124389), (4607, 112887), (5661, 91869), (5763, 90243), (7317, 71077), (10027, 51867), (12543, 41463), (13821, 37629), (16983, 30623), (17289, 30081)]