90150813

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 144930240

約数和(自身を除く): 54779427

約数列:

[1, 3, 9, 17, 27, 51, 81, 139, 153, 157, 243, 417, 459, 471, 1251, 1377, 1413, 2363, 2669, 3753, 4131, 4239, 7089, 8007, 11259, 12717, 21267, 21823, 24021, 33777, 38151, 63801, 65469, 72063, 191403, 196407, 216189, 370991, 574209, 589221, 648567, 1112973, 1767663, 3338919, 5302989, 10016757, 30050271, 90150813]

約数ペア:

[(1, 90150813), (3, 30050271), (9, 10016757), (17, 5302989), (27, 3338919), (51, 1767663), (81, 1112973), (139, 648567), (153, 589221), (157, 574209), (243, 370991), (417, 216189), (459, 196407), (471, 191403), (1251, 72063), (1377, 65469), (1413, 63801), (2363, 38151), (2669, 33777), (3753, 24021), (4131, 21823), (4239, 21267), (7089, 12717), (8007, 11259)]