128465973

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1399}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 201600000

約数和(自身を除く): 73134027

約数列:

[1, 3, 9, 19, 27, 57, 171, 179, 513, 537, 1399, 1611, 3401, 4197, 4833, 10203, 12591, 26581, 30609, 37773, 79743, 91827, 239229, 250421, 717687, 751263, 2253789, 4757999, 6761367, 14273997, 42821991, 128465973]

約数ペア:

[(1, 128465973), (3, 42821991), (9, 14273997), (19, 6761367), (27, 4757999), (57, 2253789), (171, 751263), (179, 717687), (513, 250421), (537, 239229), (1399, 91827), (1611, 79743), (3401, 37773), (4197, 30609), (4833, 26581), (10203, 12591)]