28508031

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 46335744

約数和(自身を除く): 17827713

約数列:

[1, 3, 9, 17, 27, 51, 67, 81, 103, 153, 201, 243, 309, 459, 603, 927, 1139, 1377, 1751, 1809, 2781, 3417, 4131, 5253, 5427, 6901, 8343, 10251, 15759, 16281, 20703, 25029, 30753, 47277, 62109, 92259, 117317, 141831, 186327, 276777, 351951, 425493, 558981, 1055853, 1676943, 3167559, 9502677, 28508031]

約数ペア:

[(1, 28508031), (3, 9502677), (9, 3167559), (17, 1676943), (27, 1055853), (51, 558981), (67, 425493), (81, 351951), (103, 276777), (153, 186327), (201, 141831), (243, 117317), (309, 92259), (459, 62109), (603, 47277), (927, 30753), (1139, 25029), (1377, 20703), (1751, 16281), (1809, 15759), (2781, 10251), (3417, 8343), (4131, 6901), (5253, 5427)]