128520405

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1093}}^1$

素因数の和:1187

約数の個数: 64

約数和(自身を含む): 249957120

約数和(自身を除く): 121436715

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 67, 117, 135, 195, 201, 335, 351, 585, 603, 871, 1005, 1093, 1755, 1809, 2613, 3015, 3279, 4355, 5465, 7839, 9045, 9837, 13065, 14209, 16395, 23517, 29511, 39195, 42627, 49185, 71045, 73231, 117585, 127881, 147555, 213135, 219693, 366155, 383643, 639405, 659079, 952003, 1098465, 1918215, 1977237, 2856009, 3295395, 4760015, 8568027, 9886185, 14280045, 25704081, 42840135, 128520405]

約数ペア:

[(1, 128520405), (3, 42840135), (5, 25704081), (9, 14280045), (13, 9886185), (15, 8568027), (27, 4760015), (39, 3295395), (45, 2856009), (65, 1977237), (67, 1918215), (117, 1098465), (135, 952003), (195, 659079), (201, 639405), (335, 383643), (351, 366155), (585, 219693), (603, 213135), (871, 147555), (1005, 127881), (1093, 117585), (1755, 73231), (1809, 71045), (2613, 49185), (3015, 42627), (3279, 39195), (4355, 29511), (5465, 23517), (7839, 16395), (9045, 14209), (9837, 13065)]