201800775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 377270992

約数和(自身を除く): 175470217

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 121, 165, 185, 275, 363, 407, 555, 601, 605, 825, 925, 1221, 1803, 1815, 2035, 2775, 3005, 3025, 4477, 6105, 6611, 9015, 9075, 10175, 13431, 15025, 19833, 22237, 22385, 30525, 33055, 45075, 66711, 67155, 72721, 99165, 111185, 111925, 165275, 218163, 244607, 333555, 335775, 363605, 495825, 555925, 733821, 1090815, 1223035, 1667775, 1818025, 2690677, 3669105, 5454075, 6115175, 8072031, 13453385, 18345525, 40360155, 67266925, 201800775]

約数ペア:

[(1, 201800775), (3, 67266925), (5, 40360155), (11, 18345525), (15, 13453385), (25, 8072031), (33, 6115175), (37, 5454075), (55, 3669105), (75, 2690677), (111, 1818025), (121, 1667775), (165, 1223035), (185, 1090815), (275, 733821), (363, 555925), (407, 495825), (555, 363605), (601, 335775), (605, 333555), (825, 244607), (925, 218163), (1221, 165275), (1803, 111925), (1815, 111185), (2035, 99165), (2775, 72721), (3005, 67155), (3025, 66711), (4477, 45075), (6105, 33055), (6611, 30525), (9015, 22385), (9075, 22237), (10175, 19833), (13431, 15025)]