2661225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 5202048

約数和(自身を除く): 2540823

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 75, 105, 111, 137, 175, 185, 259, 411, 525, 555, 685, 777, 925, 959, 1295, 2055, 2775, 2877, 3425, 3885, 4795, 5069, 6475, 10275, 14385, 15207, 19425, 23975, 25345, 35483, 71925, 76035, 106449, 126725, 177415, 380175, 532245, 887075, 2661225]

約数ペア:

[(1, 2661225), (3, 887075), (5, 532245), (7, 380175), (15, 177415), (21, 126725), (25, 106449), (35, 76035), (37, 71925), (75, 35483), (105, 25345), (111, 23975), (137, 19425), (175, 15207), (185, 14385), (259, 10275), (411, 6475), (525, 5069), (555, 4795), (685, 3885), (777, 3425), (925, 2877), (959, 2775), (1295, 2055)]