128857905

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4567}}^1$

素因数の和:4611

約数の個数: 64

約数和(自身を含む): 263116800

約数和(自身を除く): 134258895

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 855, 1045, 1485, 1881, 2565, 3135, 4567, 5643, 9405, 13701, 22835, 28215, 41103, 50237, 68505, 86773, 123309, 150711, 205515, 251185, 260319, 433865, 452133, 616545, 753555, 780957, 954503, 1301595, 1356399, 2260665, 2342871, 2863509, 3904785, 4772515, 6781995, 8590527, 11714355, 14317545, 25771581, 42952635, 128857905]

約数ペア:

[(1, 128857905), (3, 42952635), (5, 25771581), (9, 14317545), (11, 11714355), (15, 8590527), (19, 6781995), (27, 4772515), (33, 3904785), (45, 2863509), (55, 2342871), (57, 2260665), (95, 1356399), (99, 1301595), (135, 954503), (165, 780957), (171, 753555), (209, 616545), (285, 452133), (297, 433865), (495, 260319), (513, 251185), (627, 205515), (855, 150711), (1045, 123309), (1485, 86773), (1881, 68505), (2565, 50237), (3135, 41103), (4567, 28215), (5643, 22835), (9405, 13701)]