61550775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1953

約数の個数: 72

約数和(自身を含む): 129585456

約数和(自身を除く): 68034681

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 975, 1287, 1913, 2145, 2475, 2925, 3575, 5739, 6435, 9565, 10725, 17217, 21043, 24869, 28695, 32175, 47825, 63129, 74607, 86085, 105215, 124345, 143475, 189387, 223821, 273559, 315645, 373035, 430425, 526075, 621725, 820677, 946935, 1119105, 1367795, 1578225, 1865175, 2462031, 4103385, 4734675, 5595525, 6838975, 12310155, 20516925, 61550775]

約数ペア:

[(1, 61550775), (3, 20516925), (5, 12310155), (9, 6838975), (11, 5595525), (13, 4734675), (15, 4103385), (25, 2462031), (33, 1865175), (39, 1578225), (45, 1367795), (55, 1119105), (65, 946935), (75, 820677), (99, 621725), (117, 526075), (143, 430425), (165, 373035), (195, 315645), (225, 273559), (275, 223821), (325, 189387), (429, 143475), (495, 124345), (585, 105215), (715, 86085), (825, 74607), (975, 63129), (1287, 47825), (1913, 32175), (2145, 28695), (2475, 24869), (2925, 21043), (3575, 17217), (5739, 10725), (6435, 9565)]