3880275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 7737600

約数和(自身を除く): 3857325

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 389, 399, 475, 525, 665, 1167, 1425, 1945, 1995, 2723, 3325, 5835, 7391, 8169, 9725, 9975, 13615, 22173, 29175, 36955, 40845, 51737, 68075, 110865, 155211, 184775, 204225, 258685, 554325, 776055, 1293425, 3880275]

約数ペア:

[(1, 3880275), (3, 1293425), (5, 776055), (7, 554325), (15, 258685), (19, 204225), (21, 184775), (25, 155211), (35, 110865), (57, 68075), (75, 51737), (95, 40845), (105, 36955), (133, 29175), (175, 22173), (285, 13615), (389, 9975), (399, 9725), (475, 8169), (525, 7391), (665, 5835), (1167, 3325), (1425, 2723), (1945, 1995)]